【正文】 condit ions et f or m echanical devices. Now t ur ned on t he developm ent of t he micr oelect r onics aut omatic contr ol t echnol gy and t he r apid development of t he t r ains, t he success of PLC har dwar e soft war e and simulation cont rol win big and sucessf ul developm ent, now continues t o develop as a f act or y aut omation standar ds. Because r obots are good evelopm ent of t he t echnol gy makes a good opt imization of pr oductive capit al, and r obot shows t his unique advantages, such as: has good patibilt y, wide availabilt y, har dwar e is plete, and pr ogr amming t hat can be mast er ed in a short tim e, so in t he cont ext of indust rial PLC applications becam e ubiquit ous. M anipulator in m any developed count ry agr icult ur e and industr y has been applied, such as t he use of m echanical harvesting lar ge ar eas of f arm land, r epeat ed oper at ions on t he highspeed line t hat uses a r obotic arm , and so n. Today, t he high level of aut omation bined wit h r estr ictions on t he m anipulator development level is slight ly lower t han t he int er national. The design is m ainly arm welding m achine by PLC Aut om ation contr ol. This of design let designers on i school by lear n of has a m ust of consolidat ion, underst and has some usually didn39。 （ 2）一進(jìn)山，一眼就看到這座古橋，老朋友相見，作者心里默默地對(duì)他訴說(shuō)些什么呢？請(qǐng)同學(xué)們?cè)跁袭嫵鲇嘘P(guān)句子。 感受幻境，體會(huì)寫法。 3．學(xué)習(xí)作者通過(guò)聯(lián)想和想象來(lái)表達(dá)獨(dú)特感受的方法。 這種類體驗(yàn)，你們也有過(guò)嗎？和同學(xué)交流交流。~F36D(+SG7K anipulat or contr ol m ode and programm able cont r oler s int r oduct ion 2. 1 Select discusion wit h m anipulator contr ol 2. 1. 1 classif ication of contr ol r elays and discr et e electr onic cir cuit can contr ol ld industr ial equipm ent, but also more m on. M ainly t hese t wo r elatively cheap and you can meet t he oldf ashioned, sim ple ( or sim ple) industr ial equipm ent. So he can see t hem now, however t hese t wo cont r ol m odes ( r elay and iscrete electr onic cir cuit s) ar e t hese f at al f laws: ( 1) cannot adapt t o t he plex logic contr ol, ( 2) only f or t he cur rent pr oj ect, he lack of patibilt y and ( 3) not r ef or ming t he system wit h equipm ent im provements. Spring f or t he developm ent of China39。 讀通課文，學(xué)習(xí)字詞 （ 1）學(xué)生自由讀，看誰(shuí)能把課文讀正確，讀 流暢。 2．感受作者所描寫的境界，激發(fā)學(xué)生類似體驗(yàn)，培養(yǎng)學(xué)生熱愛自然、親近自然的美好情感。t opport unit ies awar eness in world r ange wit hin som e leading level of knowledge has has m ust awar eness, hope designers can in yihou of design in t he can sucess of using in t his design i t he pr oceeds of experience 1. 2 m anipulator in bot h at hom e and abroad of r esearch pr ofile aut om ation m echanical ar m r esearch began Yu 20t h cent ur y m ediumt erm, af t er years wit h wit h put er and aut omation t echnol gy of developm ent , M akes m echanical ar m on t he Gr and st age of industrial aut om at ion and shine, gradually became an industr ial evaluation st andar ds, and it s im por tance can be seen. Now original r obot ic arm spent m ost of m ass pr oduct ion and use on t he pr oduct ion li e, which is pr ogr ammed r obot ic arm. As t he f ir st gener ation of manipulat or posit ion contr ol syst ems m ain f eatur es, alt hough not back sever al gener ations t hat can detect t he external envir onm ent, but can stil successfuly plete like welding, painting, deliver y as well as for materials simple m ovements. Second generation mechanical ar ms ar e equipped wit h sensor s and manipulat or s have t he envir onment her e is a cert ain amount of sense, when t he m echanical ar m is t o use t he pr ogram as a basis. Dif fer ence is t hat t he r obot begand contiue ,1Cwlgf40z28yx%B9T:/kqL)181。t opport unit ies awar eness in world r ange wit hin som e leading level of knowledge has has m ust awar eness, hope designers can in yihou of design in t he can suc ess of using in t his design i t he pr oceeds of experience 1. 2 m anipulator in bot h at hom e and abroad of r esearch pr ofile aut om ation m echanical ar m r esearch began Yu 20t h cent ur y m ediumt erm, af t er years wit h wit h put er and aut omation t echnol gy of developm ent , M akes m echanical ar m on t he Gr and st age of industrial aut om at ion and shine, gradually became an industr ial evaluation st andar ds, and it s im por tance can be seen. Now original r obot ic arm spent m ost of m ass pr oduct ion and use on t he pr oduct ion li e, which is pr ogr ammed r obot ic arm. As t he f ir st gener ation of manipulat or posit ion contr ol syst ems m ain f eatur es, alt hough not back sever al gener ations t hat can detect t he external envir onm ent, but can stil successfuly plete like welding, painting, deliver y as well as for materials simple m ovements. Second generation mechanical ar ms ar e equipped wit h sensor s and manipulat or s have t he envir onment her e is a cert ain amount of sense, when t he m echanical ar m is t o use t he pr ogram as a basis. Dif fer ence is t hat t he r obot begand continue ,1cCwlgf40z28yx%B9T:/kqL)181。 （ 3）再讀讀畫線的話，體會(huì)體會(huì)，作者是懷著怎樣的心情對(duì)古橋訴說(shuō)的？你是從哪兒感受到的？ （ 4）交流感受。 ②第 5 自然段：通過(guò)朗讀，感受與山中朋友的親熱。 課前準(zhǔn)備 1． 讀不同作家寫雨的作品。她們能跟我們說(shuō)話，能跟 我們交流，她們成了我們的朋友，難怪作者進(jìn)山看景，變成了“山中訪友”。t opport unit ies awar eness in world r ange wit hin som e leading level of knowledge has has m ust awar eness, hope designers can in yihou of design in t he can sucess of using in t his design i t he pr oceeds of experience 1. 2 m anipulator in bot h at hom e and abroad of r esearch pr ofile aut om ation m echanical ar m r esearch began Yu 20t h cent ur y m ediumt erm, af t er years wit h wit h put er and aut omation t echnol gy of developm ent , M akes m echanical ar m on t he Gr and st age of industrial aut om at ion and shine, gradually became an industr ial evaluation st andar ds, and it s im por tance can be seen. Now original r obot ic arm spent m ost of m ass pr oduct ion and use on t he pr oduct ion li e, which is pr ogr ammed r obot ic arm. As t he f ir st gener