2022年八级上册英语语法短语和知识点总结.docx

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1、Manipulator i s now use d as a i ndustrial robots i n use, the control obje ctives ofte n appear often i n industrial automati on. Industrial a utomation technology ha s gradually matured, a s mature a technology li ne ha s been rapi d dev elopment in i ndustrial a utomation as a se parate subje ct.

2、 Ma nipulator appli cation bega n to f ilter into w eldi ng, logi stics, me cha nical processing, a nd other i ndustries. E specially at high or very l ow temperat ures, full of poi sonous gases, high ra diation case, robot in similar cir cumstances showed great use al so bri ngs great conve nie nce

3、 to t he staff. Precisely be cause of t his robot to get peoples attenti on began to be a high degree of development. Labor rates, worki ng conditions, la bor inte nsive a spe cts of pr omoting devel opment. Both at home and abr oad to devel op the PLC programmable l ogic controller is i n various s

4、pecial circumstances a nd under special conditions set for mecha nical devi ces. Now t urne d on the developm ent of the microel ectronics aut omatic control te chnol ogy and the ra pid development of the trains, t he success of PLC hardware software a ndsimulation control win big and succe ssful de

5、velopment, now continues to develop as a f actory aut omation standards. Because robots are g ood devel opme nt of the technology makes a g ood optimization of productive ca pital, and robot show s this uni que a dvantages, such as: ha s good compatibility, wi de availa bility, hardware is complete

6、, and programming t hat can be mastered i n a short time, so in t he context of industrial PLC applicati ons became ubi quit ous. Mani pulat or in many developed country agri cultur e and industry ha s be en applie d, such as the use of mecha nical harvesti ng large areas of farmland, repeate d oper

7、ations on the high-speed li ne that uses a r obotic arm, a nd so on. Toda y, the high level of automation combi ned wit h restricti ons on the mani pulat or devel opme nt level is slig htly lower t han t he inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation cont rol. T h

8、is of design let desig ners on in school by lear n of has a must of consoli dation, understa nd has some usually didnt opportunities aw arene ss in w orld range within some leadi ng level of knowle dge ha s has m ust aware ness, hope de signer s ca n in yi hou of design in t he ca n success of usi n

9、g in thi s de sign i n the pr oce eds of experie nce 1.2 mani pulat or in both at home and abr oad of research profile a utomation mechani cal arm resear ch began Yu 20th ce ntury medi um-term, after years with with computer and automati ontechnology of development, M akes mechani cal arm on t he Gr

10、and stage of industrial a utomation and shine, gra dually became a n industrial eval uation standards, and its importa nce can be see n. Now original roboti c arm spe nt most of mass producti on a nd use on the production li ne, w hich is pr ogrammed roboti c arm. As the first generation of manipula

11、tor position control sy stems main features, alt hough not ba ck several ge nerations that ca n dete ct the external environment, but ca n still successf ully com plete like wel ding, painti ng, deliv ery as well as for materials simple moveme nts. Second generation mechani cal arms are e qui ppe d

12、with se nsors and mani pulator s have the environment ther e is a certai n amount of sense, whe n the me cha nical arm is to use t he program as a basis. Difference i s that the robot begand八年级上册英语语法、短语和学问点总结Unit 1 Where did you go on vacation.本单元的话题： 谈论假期活动内容,复习一般过去时；本单元的语法： 1. 复习一般过去时； 2. 学习不定代词和不

13、定副词的用法；语法： 1. 本单元显现的 动词不规章过去式有：isam-was是are-were是 go-went去buybought买take-took拿走 ,dodoes didfeedfed 喂 see saw 观察 eat ate吃 havehas had 有,吃feel felt感觉 ride rode 骑 get got 到达, 得到 cancould 能,会 forget forgot遗忘 drink drank 喝 find found 找到2. 不定代词和不定副词的用法：somebody anyoneeverythingnowhere（疑问副词） 不定代词和不定副词（1） 左

14、边的 some、any、every 、no 与右边的 body、one、thing构成不定代词 ,some、any、every 、no 与右边的疑问副词 where 构成不定副词 ；（2） 一般情形下以 some开头的不定代词和不定副词用于确定句,以any 开头的不定代词和不定副词用于否定句、疑问句；以 no 开头的不定代词和不定副词表示否定含义（no one 为两个单词）；（3） 不定代词或不定副词和形容词连用时,形容词放在后面；He has something important to do.他有重要的事情要做； （确定句用 something ,形容词 important放后）Did y

15、ou buyanythingspecial.（一般疑问句用 anything ,形容词 special放后）Did you goanywhere interesting last month.上个月你去令人感爱好的地方了吗？ 一般疑问句用不定副词anywhere,形容词 interesting放后（4） 不定代词和不定副词做主语 时,后面的动词用 单数形式 ；Everone is here today.今日每个人都在这里；本单元的短语和学问点：1.P1 ,图片go on vacation去度假 go to the mountains上山/ 进山2.P1 , 1a stay at home呆在家

16、 go to the beach 去海滩 visitmuseums参观博物馆 goto summer camp去参观夏令营3.P2 , 2b study for tests为考试而学习备考go out出去4.P2 , 2d quite a few相当多, 不少（后跟可数名词复数）He has quite a few friends.他有不少伴侣； take photos照相 most of the time大部分时间5. （ P3, 语法表格 3 行buy sth for sb = buy sb sth为某人买某物My mother bought me a sweater=My mother

17、bought a sweater for me.我妈妈给我买了一件毛衣；6. （ P3, 语法表格 4 行 taste good.尝起来很好taste （尝起来）、look （看起来）、sound（听起来）为感官动词,后跟形容词The food tastes delicious.这食品尝起来特别可口；The T-shirt looks beautiful.这件体恤衫看起来很美丽；The songs sound beautiful.这些歌曲听起来很美丽；7. （ P3, 语法表格 5 行 have a goodgreatfun time过得兴奋,玩得开心（ =enjoy oneself） The

18、y had a good time yesterday.= They enjoyed themselves yesterday.他们昨天玩得很高兴；8.P3,3a go shopping去购物9.P3,3b,4行 nothing,but+ 动词原形：除了 , 之外什么都没有He had nothing to do at home but read yesterday.昨天他在家除了读书无事可做；10.P3,3b,5行 seem to do sth:似乎, I seem to know him.我似乎熟悉他；seem+（ to be ）+形容词： 看起来, The work seems （to

19、be ）easy. 这工作看起来很简洁；manipulat or control mode and pr ogrammable controll ers introduction 2.1 Sele ct di scussion wit h manipulator contr ol 2.1.1 cla ssification of control relay s and discrete ele ctroni c circuit ca n control old i ndustrial equipme nt, but also mor e common. Mai nly the se two r

20、elatively chea p and you can mee t the old -fashi one d, simpl e or simple industrial equipment. S o he can see them now, however these two control m ode s relay and di screte ele ctronic circuit s are these fatal flaws: 1 cannot ada pt to the compl ex logic contr ol, 2 only for the curre nt proje c

21、t, the la ck of compati bility and 3 not ref orming the system with e qui pment improveme nts. S pring for the development of China s moder n industri al automati on technology the substantial i ncrea se in the level of industria l automation, complete d the perfect relay of the computer too much. I

22、n terms of c ontroll ing the computer showe d his two great adva ntages: 1 each of the har dware can be installe d on one or more micr opr oces sors; 2 the official de signer of the software writi ng content control i s all about. Now i n several ways i n the context of industrial automati on ca n o

23、ften be se en in t hree ways: 1 Programmabl e Logical Controller referred to as IPC; 2 DistributedContr ol System DCS for short,and 3 the Pr ogrammable Logica l Controller PLC for short. 2.1.2 PLC a nd t he IPC and DCS contrast contrast 1, ea chof the t hree te chnol ogies of origins and devel opme

24、nt requirements for fast data proce ssi ng makes it invente d the com puter. T he me n brought i n terms of hardware there , usi ng a high level of standardi zation, ca n use more compati bility tool s, is a ri ch software resources, espe cially the nee d for immediacy i n operational systems. S o t

25、he computer ca n effectively control i s use d to contr ol and meet its spee d, on the virtual mode l, real-time a nd i n computati onal re quireme nts. Distributed system started with a contr ol system for industrial a utomatic i nstrume nt used to control, w hereas now it i s successfully develope

26、d i nto i ndustrial control com puter used a s a ce ntral collecti on a nd distri bution system a nd transition of distri bute d control system i n anal ogue ha ndli ng, l oop control, ha s beg un to refle ct the use of a huge a dvantage. T hough distributed system has great adva ntag es in l oop re

27、gulati on, but only a s a means of continuous pr oce ss control. Optimization of PLC is t he corresponding relay needs was bor n, its main use i n the w ork or der control , early primar y is replaced relay thi s hulking system, focused on the switch control ling the runni ng or der of functions. Ma

28、rke d by the mi cropr oce ssor i n the early 1970 of the 20t h ce ntury emerged, micro -ele ctroni cs te chnology has developed rapidl y, pe opl e soon micr oele ctroni csprocessi ng technol ogy will be used in t he Pr ogramm able Logical Contr oller that isManipulator i s now use d as a i ndustrial

29、 robots i n use, the control obje ctives ofte n appear often i n industrial automati on. Industrial a utomation technology ha s gradually matured, a s mature a technology li ne ha s been rapi d dev elopment in i ndustrial a utomation as a se parate subje ct. Ma nipulator appli cation bega n to filte

30、r into w eldi ng, logi stics, me cha nical processing, a nd other i ndustries. E specially at high or very l ow temperat ures, full of poi sonous gases, high ra diation case, robot in similar cir cumstances showed great use al so bri ngs great conve nie nce to t he staff. Precisely be cause of t his

31、 robot to get peoples attenti on began to be a high degree of development. Labor rates, worki ng conditions, la bor inte nsive a spe cts of pr omoting devel opment. Both at home and abr oad to devel op the PLC programmable l ogic controller is i n various special circumstances a nd under special con

32、ditions set for mecha nical devi ces. Now t urne d on the development of the microel ectronics aut omatic control te chnol ogy and the ra pid development of the trains, t he success of PLC hardware software a nd simulation control win big and succe ssful development, now continues to develop as a f

33、actory aut omation standards. Be cause robots are g ood devel opme nt of the technology makes a g ood optimization of productive ca pital, and robot show s this uni que a dvantages, such as: ha s good compatibility, wi de availa bility, hardware is complete , and programming t hat can be mastered i n a short time, so in t he context of industrial PLC applicati ons became ubi quit ous. Mani pulat or in many developed country agri cultur e and industry ha s be en applie d, such as the use of mecha nical harvesti ng large areas of far mland, repeate d operations on the high-spe