英语词汇vocabulary1

Unit 1 Part 10 Vocabulary and Structure

Directions: Choose the best one to complete each sentence.

1. Few of the students understand why language is _______ to human beings.

A. aware

B. unique

C. absolute

D. continual

Correct answer: B

2. The method he used turned out to be _______ in improving the students' English.

A. effective

B. able

C. capable

D. explicit

Correct answer: A

3. The boss refused to give any _______ on the fact that his workers were out of jobs.

A. response

B. comment

C. answer

D. reply

Correct answer: B

4. The police searched the city in an effort to catch the man who ______ murder last week.

A. limited

B. made

C. did

D. committed

Correct answer: D

5. They had to examine the dead tiger before they had a _______ answer as to who killed it.

A. positive

B. senior

C. virtual

D. vital

Correct answer: A

6. He could be ________ about everything else in the world, but not about Manet, his loving child.

A. visual

B. critical

C. favorite

D. essential

Correct answer: B

7. Measures had to be taken in face of the housing problem that ________ in the city.

A. rose

B. raised

C. arose

D. produced

Correct answer: C

8. By the side of the new teaching hall _________ , built in the 1930s.

A. there stands a library

B. stands a library

C. a library stands

D. does a library stand

Correct answer: B

Unit 2 Part 10 Vocabulary and Structure

Directions: Choose the best one to complete each sentence.

1. What a ________ smell! Open the window and air the room.

A. disgusting

B. pleasing

C. powerful

D. disturbing

Correct answer: A

2. The story he is telling is so ________ that some of the listeners begin to ask him to stop.

A. pleasant

B. horrible

C. healthy

D. exciting

Correct answer: B

3. That Sandy wears ________ makeup annoys her mother.

A. very much

B. very

C. that much

D. so

Correct answer: C

4. She was putting on her jeans ________ me to hand her the sweater.

A. while asked

B. asked

C. asking

D. while asking

Correct answer: D

5. No matter what you say, I'm coming ________.

A. anyway

B. any way

C. in a way

D. in the way

Correct answer: A

6. It rains one minute and shines the next. What ________ weather!

A. fine

B. awful

C. radical

D. tuneless

Correct answer: C

7. I got a little ________ when I learned that the appointment with the general manager was changed to another time.

A. concerned

B. distracted

C. upset

D. awful

Correct answer: C

8. Mother dropped the glass ________ she was standing up from her seat.

A. and

B. but

C. so

D. as

Correct answer: D

Unit 3 Part 10 Vocabulary and Structure

Directions: Choose the best one to complete each sentence.

1. Our neighbour said that if we made more noise he would ________________ us to the police.

A. inform of

B. complain about

C. report to

D. care for

Correct answer: B

2. She ______________ him to help her to find answers to her problems.

A. learned from

B. came into

C. leaned on

D. looked at

Correct answer: C

3. Nobody knows _______________ how many people are to be blame for the coal-mine accident, so the government is trying to find out the whole truth about the accident.

A. inwardly

B. honestly

C. cleverly

D. precisely

Correct answer: D

4. People working in the government should not _________________ business affairs that might change their political judgement.

A. engage in

B. hope for

C. choose between

D. pick on

Correct answer: A

5. The large wings of that bird _________________ it to fly very high and fast.

A. make

B. enable

C. force

D. realize

Correct answer: B

6. Twenty years ago it was common to see people _________________ from hunger on the streets in that poor nation, but clearly the situation has improved greatly since then.

A. calling

B. preventing

C. resulting

D. collapsing

Correct answer: D

7. After a long period of regular exercise, I now ____________ much less than I used to.

A. weigh

B. like

C. grow

D. increase

Correct answer: A

8. She had to ________________ several times a night when her baby was ill.

A. call out

B. get ahead

C. wake up

D. come to

Correct answer: C

Unit 4 Part 10 V ocabulary and Structure

Directions: Choose the best one to complete each sentence.

1. When you're in Paris you can't help being ________ of the way the streets are kept clean.

A. effective

B. relaxed

C. conscious

D. obvious

Correct answer: C

2. The book offers some advice about how to make a good ________ at job interviews.

A. attitude

B. appearance

C. effect

D. impression

Correct answer: D

3. He was a good worker who was ________ to his family as well as to his work.

A. consistent

B. committed

C. content

D. engaged

Correct answer: B

4. It is very difficult for the time being to ________ how much money is needed.

A. account

B. assume

C. ranges

D. estimate

Correct answer: D

5. The teacher praised and rewarded the good ________ of his students in class.

A. status

B. behaviour

C. function

D. signal

Correct answer: B

6. We must ________ our attention on the question of reducing our cost.

A. pay

B. focus

C. absorb

D. promote

Correct answer: B

7. It is said that ________ to the plan so far have been positive.

A. reactions

B. views

C. ideas

D. opinions

Correct answer: A

8. Have you ever noticed that Jack always ________ a picture of quiet self-worth?

A. impresses

B. focuses

C. projects

D. communicates

Correct answer: C

9. We also use other forms of communication ________ we may be aware or unaware.

A. to which

B. of which

C. which

D. that

Correct answer: B

10. The train was ________ slow I was almost two hours late.

A. so

B. such

C. very

D. that

Correct answer: A

11. Just imagine Mary ________ in her favorite chair back home.

A. to sit

B. sit

C. sitting

D. has been sat

Correct answer: C

12. Mr. Thomas found the coins while ________ in his back garden.

A. digging

B. was digging

C. dug

D. being digging

Correct answer: A

13. Snap judgments, if ________, have usually been considered signs of immaturity or lack of common sense.

A. taking seriously

B. taken seriously

C. take seriously

D. to be taken seriously

Correct answer: B

14. I'd offer to give you a lift if I ________ my car here.

A. have

B. am having

C. do have

D. had

Correct answer: D

15. ________ speech is the most obvious form of communication, we do use other forms to communicate.

A. Since

B. When

C. While

D. As

Correct answer: C

16. Being with his family for a few days I gained one or two insights ________ the reason he behaves the way he does.

A. into

B. of

C. on

D. off Correct

Unit 5 Part 10 V ocabulary and Structure

Directions: Choose the best one to complete each sentence.

1. Robin thought that the best _______ to learning a foreign language is the study of the spoken language.

A. method

B. way

C. means

D. approach

Correct answer: D

2. Listening, speaking, reading, and then writing _______ the basic order in language learning.

A. assists

B. constitutes

C. establishes

D. founds

Correct answer: B

3. If you try to learn too many things at a time, you may get _______.

A. alarmed

B. scared

C. surprised

D. confused

Correct answer: D

4. He's not got another job yet and it's not ______ he will for some time.

A. likes

B. unlike

C. likely

D. like

Correct answer: C

5. The teacher handed _____ books at the beginning of the class.

A. on

B. down

C. over

D. out

Correct answer: D

6. The young professor ______ himself as an international leader in the field of mathematics.

A. established

B. built

C. founded

D. found

Correct answer: A

7. His thoughts were _______ from the subject by the arrival of his friends.

A. attracted

B. suffered

C. distracted

D. related

Correct answer: C

8. She is a ______ woman who is certain of her ideas and actions.

A. significant

B. aware

C. confident

D. intense

Correct answer: C

9. ______ I admit that the problems are difficult, I don't agree that they can't be solved.

A. For fear that

B. Because

C. While

D. Until

Correct answer: C

10. I'm going to spend the winter vacation in Shanghai, ______ I have relatives.

A. because

B. which

C. that

D. where

Correct answer: D

Unit 6 Part 10 V ocabulary and Structure

Directions: Choose the best one to complete each sentence.

1. The little girl could not ________ her curiosity to see what was in the box.

A. hold

B. keep

C. take

D. restrain

Correct answer: D

2. ________ else goes, I won't.

A. Who

B. Whom

C. Whoever

D. He who

Correct answer: C

3. Thanks go to the trashmen who leave the streets ________ each night.

A. cleanest

B. cleaner

C. cleaning

D. more cleaner

Correct answer: B

4. I ________ he'd do something silly; he's been acting strangely all week.

A. may have known

B. would know

C. have known

D. had known

Correct answer: C

5. With the job ________, he went to see a film with his colleagues.

A. done

B. doing

C. to do

D. do

Correct answer: A

6. Neither his colleagues nor his mother ________ his marriage to that girl.

A. accept

B. accepts

C. agree

D. agrees

Correct answer: B

7. He makes up his mind to ________ the post till the end of the year.

A. keep in

B. remain under

C. stay at

D. go on

Correct answer: C

8. Good managing of a company ________ great efforts.

A. calls on

B. calls out

C. calls in

D. calls at

Correct answer: A

有关中国的特色的英语单词

用流利的英语介绍中国的特色 1. 元宵节：Lantern Festival 2. 刺绣：embroidery 3. 重阳节：Double-Ninth Festival 4. 清明节：Tomb sweeping day 5. 剪纸：Paper Cutting 6. 书法：Calligraphy 7. 对联：(Spring Festival) Couplets 8. 象形文字：Pictograms/Pictographic Characters 9. 人才流动：Brain Drain/Brain Flow 10. 四合院：Siheyuan/Quadrangle 11. 战国：Warring States 12. 风水：Fengshui/Geomantic Omen 13. 铁饭碗：Iron Bowl 14. 函授部：The Correspondence Department 15. 集体舞：Group Dance 16. 黄土高原：Loess Plateau 17. 红白喜事：Weddings and Funerals 18. 中秋节：Mid-Autumn Day 19. 结婚证：Marriage Certificate 20. 儒家文化：Confucian Culture 21. 附属学校：Affiliated school 22. 古装片：Costume Drama 23. 武打片：Chinese Swordplay Movie 24. 元宵：Tangyuan/Sweet Rice Dumpling (Soup) 25. 一国两制：One Country, Two Systems 26. 火锅：Hot Pot 27. 四人帮：Gang of Four 28. 《诗经》：The Book of Songs 29. 素质教育：Essential-qualities-oriented Education 30. 《史记》：Historical Records/Records of the Grand Historian 31. 大跃进：Great Leap Forward (Movement) 32. 《西游记》：The Journey to the West 33. 除夕：Chinese New Y ear’s Eve/Eve of the Spring Festival 34. 针灸：Acupuncture 35. 唐三彩：Tri-color Pottery of the Tang Dynasty/ The Tang Tri-colored pottery 36. 中国特色的社会主义：Chinese-charactered Socialist/Socialist with Chinese characteristics 37. 偏旁：radical 38. 孟子：Mencius 39. 亭/阁：Pavilion/ Attic 40. 大中型国有企业：Large and Medium-sized State-owned Enterprises 41. 火药：gunpowder 42. 农历：Lunar Calendar 43. 印/玺：Seal/Stamp

钻井英语常用词汇及术语缩写.

API(America Petroleum Institute美国石油学会BHA(bottom hole assembelly井底钻具组合BHP(bottom hole pressure井底压力BOP control room远程控制台 BOP(blowout preventer防喷器 BTC(buttress thread connection梯形扣 CP(circulating pressure循环压力 DC(drill collar钻铤 DL(dogleg 狗腿 DLS(dogleg severity狗腿严重度DP(drill pipe钻杆 DST(drill stem test中途测试ECD(equivalent circulating density循环当量密度ECD(equivalent circulating density当量循环密度EF(external flush外平 EMW(equivalent mud weight当量泥浆密度EUE(external upset end内加厚 FCP(final circulating pressure终了循环压力FH(full hole贯眼扣 GPM(gallon per minute加仑每分HCR(hydraulic control remote valve液动阀 HP(hydrostatic pressure静液柱压力HWDP(heavy weight drillpipe加重钻杆 IADC(international association of drilling contractors钻井承包商 ID(inside diameter内径 IF(internal flush内平扣 KOP(kickoff point造斜点 LOT(leak off test漏失实验 LTC(long thread connection长园扣

井控常用英语词汇

Chapter 1 The Frequently Used-vocabulary In Well Control 井控常用词汇 1.abnormal pressure 异常压力(normal pressure, 正常压力 higher-than-expected/normal pressure, lower-than-normal pressure abnormally high pressure abnormally low pressure 2.accumulator储能器 3.accumulator bottle储能器瓶 4.acid fracture酸裂 5.adjustable choke可调节流阀 6.annular blowout preventer (BOP)环型 防喷器(ram BOP) bag BOP 7.annular pressure/casing pressure环空压 力(套压)(drillpipe pressure立压) pit gain 8.annular space环空(annulus) 9.annular velocity环空上返速度 10.anticline 背斜 11.atmospheric pressure 大气压 (0.1Mpa)(1at)

12.background gas 背景气 13.back off 倒扣/卸扣 make up 14.back-pressure 回压 check/单向阀 non-return valve回压凡尔 15.barite BaSO4重晶石 16.barium sulfate BaSO4 17.barrel (bbl) gallon/加仑 1m3=6.2897bbl 18.bell nipple 钟型导向短节,(喇叭口) 19.BHP (bottom hole pressure) 20.bleed 放喷 21.bleed line放喷管线 22.blind ram 全封闸板 pipe ram 半封闸板 shear ram 剪切闸板 23.blind ram preventer全封闸板防喷器 24.blowout 井喷 (kick 井涌) 25.blowout preventer control panel防喷器 控制面板 console 26.blowout preventer control unit防喷器控 制系统 27.blowout sticking 井喷卡钻

数值分析第一章绪论习题答案

第一章绪论 1．设0x >,x 的相对误差为δ，求ln x 的误差。 解：近似值* x 的相对误差为* **** r e x x e x x δ-= == 而ln x 的误差为()1ln *ln *ln ** e x x x e x =-≈ 进而有(ln *)x εδ≈ 2．设x 的相对误差为2%，求n x 的相对误差。 解：设()n f x x =，则函数的条件数为'() | |() p xf x C f x = 又1 '()n f x nx -= , 1 ||n p x nx C n n -?∴== 又((*))(*)r p r x n C x εε≈? 且(*)r e x 为2 ((*))0.02n r x n ε∴≈ 3．下列各数都是经过四舍五入得到的近似数，即误差限不超过最后一位的半个单位，试指 出它们是几位有效数字：*1 1.1021x =,*20.031x =, *3385.6x =, * 456.430x =,*57 1.0.x =? 解：*1 1.1021x =是五位有效数字； *20.031x =是二位有效数字； *3385.6x =是四位有效数字； *456.430x =是五位有效数字； *57 1.0.x =?是二位有效数字。 4．利用公式(2.3)求下列各近似值的误差限：(1) * * * 124x x x ++,(2) ***123x x x ,(3) **24/x x . 其中****1234 ,,,x x x x 均为第3题所给的数。 解：

*4 1* 3 2* 13* 3 4* 1 51()1021()1021()1021()1021()102 x x x x x εεεεε-----=?=?=?=?=? *** 124***1244333 (1)()()()() 1111010102221.0510x x x x x x εεεε----++=++=?+?+?=? *** 123*********123231132143 (2)() ()()() 111 1.10210.031100.031385.610 1.1021385.610222 0.215 x x x x x x x x x x x x εεεε---=++=???+???+???≈ ** 24**** 24422 *4 33 5 (3)(/) ()() 11 0.0311056.430102256.43056.430 10x x x x x x x εεε---+≈ ??+??= ?= 5计算球体积要使相对误差限为1，问度量半径R 时允许的相对误差限是多少？ 解：球体体积为34 3 V R π= 则何种函数的条件数为 2 3'4343 p R V R R C V R ππ=== (*)(*)3(*)r p r r V C R R εεε∴≈= 又(*)1r V ε=

钻井英文词汇表

顶驱&钻井英文常用词汇表 （第一版） 盘锦辽河油田天意石油装备有限公司 2010年9月

一、顶驱英文 顶部驱动系统Top drive system 车载钻机truck-mounted rig 机械的mechanical 电学的electrical 液压的hydraulic 钻井设备drilling equipment 大斜度井high-inclination well 深井deep well 丛式定向钻井cluster directional well 低温顶驱low-temperature top drive system 超深井ultra-deep well 定向井directional well 载荷load capacity 工作高度working height 电动机motor 功率power 转速rotary speed 钻井扭矩drilling torque 过载能力over load capacity 卸扣break out 上扣make-up 循环压力circulation pressure 额定压力rated pressure 电源电压power voltage 电源频率power frequency 工作电流working current 通风机ventilator 接线箱junction box 平衡油缸counterbalance cylinder 盘式刹车disc brake 电缆接插件cable connector assembly 主电机main motor 液压阀组hydraulic valve block 提环bail 鹅颈管gooseneck 油箱tank 蓄能器accumulator 齿轮箱gearbox 冲管总成wash pipe assembly 液压马达hydraulic motor 回转头rotating head 导轨guide beam 倾斜油缸tilt cylinder 防松法兰lock flange 背钳back-up tong 导向器stabbing guide 遥控IBOP upper IBOP 手动IBOP lower IBOP 吊环link 吊卡elevator 齿轮轴gear shaft 冷却风机Cooling motor 交流电机 AC motor 水龙头 Swivel 主齿轮 Driving gear 编码器 Encoder 散热器 Radiator 油道 Oil passage 密封槽Seal groove 轴承 bearing 滚轮 Roller 滑套 IBOP actuator shell 曲柄 Crank 销pin 钳牙tongdies 活塞piston 螺栓bolt 黄油grease 小车总成 Carriage accessory 气流 Air current 风道 Air duct 进风口 Air inlet 出风口 Air outlet 梨型环 Pear link 卡箍clamping band 键key

钻井现场常用英语专业词汇

Accumulator 储能器 Active tank 循环池 Adjusting bolt （刹把）调节螺栓Admission pipe 进气管 Agitator 搅拌器 Air chamber 空气包 Air line 气管线 Air-operated hoist 气动绞车Alternating current drive 交流电驱动Annular BOP 环形BOP Ato-muffler 消音器 Ball valve 球阀 Bell nipple 井口喇叭管 Bench vise 老虎钳 bit breaker 钻头装卸器 bit gauge 钻头规 blind ram preventer 盲板防喷器BOP control panel 防喷器控制盘BOP deck 防喷器平台 Bottom plug 底塞 Brake lever (brake handle) 刹把Brake line (brake staple) 刹带Bridge plug 桥塞 Buttress 梯形扣 Butterfly valve 蝶阀 By-pass 旁通 By-pass plug 旁通塞 Calipers 卡钳 Casing coupling 套管接箍 Casing cutter 套管割刀 Casing elevator 套管吊卡 Casing hanger 套管悬挂器 Casing head 套管头 Casing monkey board 套管平台Casing scraper 刮管器 Casing shoe 套管鞋 Casing slip 套管卡瓦 Casing spear 套管打捞矛 Casing spool 套管四通 Casing tong 套管大钳 Cat line 猫头绳 Cat line grip 猫头绳爪 Cat shaft 猫头轴 Cat-head 猫头 Cellar deck 井口甲板Cement 水泥 Cement basket 水泥伞 Cement plug 水泥塞 Cement retainer 水泥阻流环 Cementing bond log 固井质量检查Cementing head 水泥头 Cementing line 固井管线 Cementing pump 固井泵 Chain 链 Chain pipe tong 链钳 Chain tong 链钳 Chamber 房间，寝室 Chamber gate 阀箱，闸室 Charge pump 灌注泵 Check valve 止回阀，回压凡尔 Choke 节流器，阻流器 Choke line 阻流管线 Choke position indicator 节流阀位置指示器Choke valve 节流阀 Choke-line manifold 阻流管汇 Clutch 离合器 Conductor 导管 Cone 牙轮 Cone fisher 牙轮打捞器 Cone lock 牙轮卡死 Cooling-water pump 冷却水泵 Core barrel shoe 取心筒鞋 Core basket 取心爪 Core bit 取心钻头 Core catcher 取心爪 Core catch case 取心爪外套 Core drying oven 岩心烘箱 Crossover joint(x/o) 变换接头 Crown block 天车 Crown block beam 天车梁 Dead line 死绳 Dead line diaphragm 死绳固定器膜片Dead line anchor 死绳固定器 Degasser 除气器 Derrick 井架 Desander (desilter) 除砂器（除泥器）Direct current drive 直流电驱动Discharge line 排除管线 Double ram type preventer 双闸板防喷器Down hole tool 入井工具

钻井专业英语

一、钻井作业 1．钻台构造，设备，器材类： drilling equipment mast, derrick free standing mast drill floor v-door monkey board substructure mouse hole, rat hole gin pole setback crown block travelling block hook swivel power swivel draw works rotary table kelly kelly cock drum shaft cat head cat line deadline anchor sand line 钻井装置，钻机 井架 无绷绳轻便井架 钻台 坡板，井架大门 二层台 井架底座 鼠洞 人字架 立根盒 天车 游动滑车 大钩 水龙头 动力水龙头 绞车 转盘 方钻杆 方钻杆 滚动轴 猫头 猫头绳 死绳固定装置 捞绳器 work line ，drilling line deadline tong power tong kelly drive safety clamp elevator center latch elevator elevator chain block air hoist bushing master bushing inside BOP pipe wrench lifting sub kelly spinner geolograph cable jacket finger board slip rotary slip power slip 大绳 死绳 大钳 动力大钳 方钻杆滚子补心 安全卡子 吊卡 中开门吊卡 吊环 倒链 气动绞车 补心 转盘大补心 回压凡尔 管子扳手 提升短节 方钻杆旋转器 气测引绳 导管架 指梁 卡瓦 转盘卡瓦 动力卡瓦 2．钻头 3. Bit cone bit tri-cone bit bit noggle insert bit milled teeth bit diamond bit cone bit breaker hole openner 钻头 牙轮钻头 三牙轮钻头 钻头水眼 镶式钻头 铣齿钻头 金刚石钻头 牙轮 钻头装卸器 drilling assembly drill strings drill stem bit sub stabiliger wing stabiliger reamer drill pipe(drill collar) heavy weight drill pipe crossover sub 钻具组合 钻杆柱 钻柱 钻头接头 扶正器 翼状扶正器 辊轮扶正器 钻杆（钻铤） 加重钻杆

数值计算方法第一章

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2、五经 The Five Classics 《春秋》 the Spring and Autumn Annals 《诗经》 The Books of Songs;The Book of Odes 《易经》（《周易》） I Ching; The Book of Changes 《礼记》 The Book of Rites 《尚书》（《书经》） The Books of History

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目录 第一章：石油钻井工程英语基础词汇 第1节石油钻井工程基础词汇 (1) 第2节石油钻井方法基础词汇 (5) 第3节石油钻井技术基础词汇 (5) 第4节石油钻井参数基础词汇 (6) 第5节石油钻井作业现场工作人员名称 (7) 第 6 节石油作业现场常用工具 (8) 第二章：石油工程常用设备及专业术语 第1节钻井设备部分 (13) 第2节钻井泵类及相关设备 (16) 第3节与泵操作有关的实用短语 (18) 第4节钻台与底座 (19) 第5节井控操作与防喷器 (19) 第三章：钻井工程作业部分 第1节钻井事故 (24) 第2节钻头 (25) 第3节钻具 (25) 第4节钻井工程地面作业实用词汇与短语 (27) 第5节钻井工程井口作业实用词汇与短语 (28) 第四章：钻井液及相关设备 第1节钻井液名称 (30) 第2节钻井液设备 (31) 第3节钻井液处理剂 (31) 第五章：钻井相关作业 第1节取芯部分 (35) 第2节固井部分 (35) 第3节固井水泥浆名称和参数 (37) 第4节测井部分 (38) 第六章：井下作业常用短语 (39) 第七章：海上钻井作业 (41) 第八章：定向井部分 (42) 第九章：石油现场机械传动与机械设备 第1节：动力与传动 (43)

第十章：石油工程作业现场生活用词 第1节身体各部分名称 (45) 第2节服装 (47) 第3节描述天气 (49) 第4节常见蔬菜名称 (49) 第5节常见水果名称 (50) 第6节味道和调味品调味品 (50) 第7节酒类和祝酒 (51) 第8节食品 (52) 第9节超级市场 (53) 第10节容器、单位及钱币 (53) 第11节肉类 (54) 第12节海鲜，鱼类 (54) 第13节救火及救援 (55) 第14节日常生活用品 (55) 第15节星期与月份 (56) 第16节数字 (57) 第17节颜色 (58) 第十一章：常用缩略语与换算 第1节常用缩略语 Abbreviation (59) 第2节钻井现场常用公英制（美国用法）换算 (60)

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稳定地走上了富裕安康的广阔道路 Move steadily toward prosperity and happiness 不断探索和回答什么是社会主义、怎样建设社会主义，建设什么样的党、怎样建设党，实现什么样的发展、怎样发展等重大理论和实际问题 Constantly seek answers to major theoretical and practical questions such as what socialism is and how to build it, what kind of party we must build and how to build it, and what kind of development China should achieve and how to achieve it 党的基本理论、基本路线、基本纲领、基本经验 Party’s basic theory, line, program and experience 社会主义和马克思主义在中国大地上焕发出勃勃生机 Socialism and Marxism have shown vigor and vitality in China. 大踏步赶上时代前进潮流 Catch up with the trend of the times in big strides 符合党心民心 Accord with/echo the aspirations of the Party members and the people 尊重人民首创精神 Respect the people,s initiative/pioneering drive/creativity 提高全民族文明素质 To improve the educational and ethical standards of the whole nation 开辟了中国特色社会主义道路

数值计算第三章答案

证明：如果求积公式（）对函数f （x ）和g （x ）都准确成立，则它对于线性组合af(x)+bg(x) (a,b 均为常数)亦准确成立. 因此，求积公式（）具有m 次代数精度的充分必要条件是：它对任一小于等于m 次的多项均能准确成立，但对某个m+1次多项式不能准确成立. ()()不能成立 对与题设矛盾多项式都能准确成立，次多，即对任意的线性组合亦准确成立也能准确成立，则对若对的线性组合亦准确成立对次的多项式准确成立对于任意小于等于不准确成立，对的线性组合亦准确成立对成立次的多项式于等于根据定义可知：对于小次代数精度 机械求积公式具有机械求积公式也成立 对于线性组合同理可得 机械求积公式都成立 对于证明： 1m 1321321320 000 0)1(,,,,,,1,,,,,1,,,,,1),1,0()(2)()()] ()([)()()]()([) ()() ()() ()() ()()(),(1++++=======∴+? ∴?∴==∴?+∴+=+≈+∴≈≈∴≈≈∴∑∑?∑?∑?∑? ∑?∑x m x x x x x x x x x x m x x x x x m j x x f m m x bg x af x bg x af A x bg A x af A dx x bg x af x bg A dx x bg x af A dx x af x g A dx x g x f A dx x f x g x f m m m m m m j n k k k n k k k b a n k k k b a n k k k b a n k k k b a n k k k b a n k k k 直接验证中矩形公式具有一次代数精度，而Simpson 公式则具有3次代数精度。

钻井英语词汇大全

一、设备 drilling equipment 钻井装置钻机mast 钻机 derrick 井架 free standing mast无绷绳轻便井架 jack kinfe mast折叠式轻便井架 drill floor 钻台 v－door 井架大门monkey board 二层台substructure 井架底座mouse hole 鼠洞 rat hole 鼠洞 qin pole 人字架 set back 立根盒crown block 天车travelling block 游动滑车hook 大钩swivel 水龙头power swivel 动力水龙头draw works 绞车rotary table 转盘 kelly 方钻杆kelly cock 方钻杆考可drum shaft 滚筒轴workline 大绳drilling line 大绳cathead 猫头deadline 死绳deadline anchor 死绳固定器sandline 捞砂绳

finger board 指梁 slip 卡瓦rotary slip 转盘卡瓦power slip 动力卡瓦tong 大钳power tong 动力大钳kelly drive方钻杆滚子补芯 safety clamp 安全卡子elevator 吊卡center latch elevator中开门吊卡elevator link 吊环 chain block 倒链 air hoist 气动绞车bushing 补芯master bushing 转盘大补芯kelly bushing 方钻杆补芯inside dop 回压凡尔pipe wrench 管子扳手lifting sub 提升短接kelly spinner 方钻杆旋扣器 二、钻头 bit 钻头 cone bit 牙轮钻头 tri-cone bit 三牙轮钻头insert bit 镶齿钻头 bit nozzle 钻头水眼milled teeth bit 铣齿钻头diamond bit 金刚石钻头cone 牙轮 bit breaker 钻头装卸器

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目录 第一节钻井英语单词 (2) 第二节井场用语，钻井常用短语及句子 (10) 第三节钻井泥浆术语 (29) 第四节常用安全术语 (31) 第五节钻井设备英语 (33) 第六节石油钻井英语情景会话 (40) 附录一：平台人员、作业者及服务公司人员名称 (47) 附录二：主要设备名称 (48) 附录三：钻具、井口工具、打捞工具名称 (52) 附录四：材料和工具名称 (53) 附录五：常用缩写形式 (55)

第一节钻井英语单词 drilling crew 钻井队 drill floor,rig floor,floor 钻台drawworks 绞车 well-site, rig-site 井场 rig manager 平台经理 DC (drill collar) 钻铤 drilling engineer 钻井工程师 DP (drill pipe) 钻杆 toolpusher 带班队长 rotary table 转盘 driller 司钻 assistant driller 副司钻derrickman, monkeyman 井架工roughneck, floorman 钻工roustabout 场地工 liner 缸套 motor fire man 司机（motorman）wellhead 井口 circulation & solid system 循环固控系统 machinist 机械师,机工,机械大班electrician 电器师,电工,电器大班operation program 作业程序(指令) cathead 猫头 caravan 营房，大篷车 tong 大钳 elevator 吊卡 well depth 井深 slip 卡瓦makeup 上扣 spud in 开钻 breakout 卸扣 ROP (rate of penetration),drilling speed, penetration rate 钻速 trip 起下钻 diesel-engine 柴油机 loss circulation 井漏，循环漏失working uniform 工作服 brake handle, brake bar 刹把 water well condition 水井井况circulating tank, circulation tank 循环罐 normal drilling 正常钻进 reserve tank 储备罐 parameter 参数 trip tank 补给罐，尖底罐, 起下钻泥浆罐（起下钻计量罐） rotary speed 转盘转速（转速）shale shaker 振动筛 pump pressure 泵压 WOB (weight on bit) 钻压 mesh 目,网孔;啮合,编织 torque 扭矩 screen cloth 筛布 displacement 排量 safety meeting 班前会 pump stroke 泵冲 shift exchange 交班、（倒班）

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A abbreviate v. 缩写，简写abnormally ad. 异常地abrupt v. 突然的absolute porosity 绝对孔隙度access n. 接近，进入accumulate v. 聚集accumulation n. 聚集acquisition n. 获取，采集acromagnetic a. 航空磁测的acyclic a. 无环的admixture n. 混合，混合物aeolian a. 风成的，风积的aerobic a. 喜氧的 affinity n. 亲合力，亲合性

aformentioned a. 上述的，上面提到的agency n. 因素，营力，作用agglomeration n. 结块，凝聚aggregated gas 聚集型气 agitated a. 搅动过，摇过的 agitation n. 搅拌，搅动 aircraft n. 飞机，航空器 algae 藻类 aliphatic a. 脂肪类的 alkane 链烷 alkane n. 烷烃，链烷 alkene n. 烯烃 alkylaromatic a. 烷基芳烃的 alkylate v. 烷基化 allochthonous a. 外来的，异地的

alluvial fan 冲积扇 alteration n. 蚀变作用 ambient a. 周围的 ambiguity n. 含糊，模棱两可ambiguous a. 意思含糊的，模棱两可的amino acids 氨基酸 ammonite n. 菊石 amorphous a. 非晶质的，无一定方向的amphibolite n. 角闪石 amplitude n. 幅度，振幅 analogous a. 类似的，模拟的 angular a. 棱角状的，带角的anhydrite n. 硬石膏 anomoly n. 异常，变异 anoxic a. 缺氧的

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中国特色的英语单词 英语在中国也发展了很多年，所以也创造出了属于中国特色的单词。这些单词在社会生活中的应用越来越普遍，广泛，所以我们应该对此有些简单的了解。 1.爱心工程：Loving Care Project 2. 安居工程：Comfortable Housing Project 3. 拜年：Pay New Year visit 4. 办年货：do New Year shopping 5. 步行街：pedestrian street 6. 彩票：lottery ticket 7. 茶话会：tea forum，tea party 8. 抽奖：lucky draw 9. 打工：do work for other 10. 大款：tycoon 11. 代沟：generation gap 12. 独苗：only son or daughter, only child 13. 厄尔尼诺现象：EI Nino phenomenon 14. 高考：college entrance examination 15. 工薪阶层：salaries person

16. 公务员：civil servant 17. 狗仔队啊：dog packs 18. 减肥茶：diet tea 19. 剪彩：cut the ribbon 20. 将军肚：general’s bully 21. 教研室：teaching and research division 22. 经济适用住房：economically affordable housing 23. 精神文明：cultural and ideological progress 24. 物质文明：material progress 25. 九年制义务教育：nine—year compulsory education 26. 矿泉水：mineral water 27. 扩招：increase enrollment 28. 年夜饭：family reunion dinner 29. 三个代表：Three Represents Theory 30. 三峡工程：Three Gorges Project 31. 三字经：three—character scripture 32. 素质教育：education for all—around development 33. 填鸭式教学：cramming method of teaching 34. 铁饭碗：iron rice bowl 35. 土特产：special and local product

数值分析参考答案(第三章)

第三章 函数逼近与曲线拟合 1． ()sin 2 f x x π =，给出[0,1]上的伯恩斯坦多项式1(,)B f x 及3(,)B f x 。 解： ()sin ,2 f x π = [0,1]x ∈ 伯恩斯坦多项式为 (,)()()n n k k k B f x f P x n ==∑ 其中()(1)k n k k n P x x x k -??=- ??? 当1n =时， 01()(1)0P x x ?? =- ??? 1101()(,)(0)()(1)()1(1)sin(0)sin 022P x x B f x f P x f P x x x x ππ=∴=+??=-?+ ??? = 当3n =时， 3 022 122233 31()(1)01()(1)3(1) 03()(1)3(1) 13()3P x x P x x x x x P x x x x x P x x x ?? =- ?????=-=- ????? =-=- ????? == ???

3 3022322 33223 (,)()() 03(1)sin 3(1)sin sin 6 3 2 3(1)(1)25632221.50.4020.098k k k B f x f P x n x x x x x x x x x x x x x x x π π π =∴==+-+-+= --+-=++≈--∑ 2． 当()f x x =时，求证(,)n B f x x = 证明： 若()f x x =，则 (,)()()n n k k k B f x f P x n ==∑ 001 11(1)(1) 11(1)(1)(1)(1)!(1)[(1)(1)1](1)(1)!1(1) 11(1)1[(1)]n k n k k n k n k k n k n k k n k n k k n k n k k n n k x x k n k n n n k x x n k n n k x x k n x x k n x x x k x x x x -=-=-=-=----=-?? =- ???--+=-----+=---??=- ?-??-??=- ?-?? =+-=∑∑∑∑∑ 3．证明函数1,,,n x x 线性无关 证明： 若20120,n n a a x a x a x x R ++++=?∈ 分别取(0,1,2,,)k x k n = ，对上式两端在[0,1]上作带权()1x ρ≡的内积，得

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