人教版小學(xué)數(shù)學(xué)三年級(jí)上冊(cè)教案全集

1、毫米的認(rèn)識(shí)學(xué)習(xí)設(shè)計(jì)共 6 課時(shí)總第 1 課時(shí)教學(xué)目標(biāo)：1、使學(xué)生經(jīng)歷測(cè)量過(guò)程，知道毫米產(chǎn)生的實(shí)際意義。2、通過(guò)觀察，明確毫米與厘米的關(guān)系，會(huì)進(jìn)行簡(jiǎn)單的換算。3、使學(xué)生在操作中學(xué)會(huì)用毫米作單位進(jìn)行測(cè)量。4、使學(xué)生建立1 毫米的長(zhǎng)度觀念。教學(xué)過(guò)程：一、情景導(dǎo)入1、小組合作學(xué)習(xí)，估計(jì)課本的長(zhǎng)、寬、厚。（ 1）出示例1 情境圖，學(xué)生認(rèn)真觀察。教師提出問(wèn)題。（2）4 人小組合作，分別估計(jì)一下數(shù)學(xué)課本的長(zhǎng)、寬、厚。將估計(jì)的結(jié)果填在記錄表的 “估計(jì)”一欄中。（ 3）對(duì)估計(jì)的結(jié)果進(jìn)行反饋。2用測(cè)量的方法驗(yàn)證估計(jì)的結(jié)果。（ 1）分組測(cè)量課本的長(zhǎng)、寬和厚。測(cè)量時(shí)，將遇到的問(wèn)題記錄下來(lái)，用自己喜歡的方法表示測(cè)量的結(jié)

2、果。（2）交流測(cè)量的結(jié)果，引出毫米。板書(shū)課題“毫米的認(rèn)識(shí)”。二、探究體驗(yàn)1、了解毫米與厘米的關(guān)系。（ 1）提問(wèn)： “從尺中，你發(fā)現(xiàn)毫米與其他單位間的關(guān)系嗎？”。evelopmentworksteadilyi n the pilotcounties,to buildpeace neighbor hood offices approve d, cha nge,ur ban a ndrural communities （Ce nter）,immigrant communities, pilot pr oject s such a s integratedmanagementofur ban and

3、rural sanitati on in orde r.（D）maintain social harmony a ndsta bility.Inthe case oftight financialsituation, continuetoincreasetheinput ofpeople,happy people battle.Urba n ce ntralheati ng and upgra derural power gri ds,r ural reconstruction ofshabbyhousing tenmajor proje cts beingdelivered, has bee

4、n overfulfilled a head.Strengtheni ng ofsocialpr ograms, collegeentra nce examinati on t orecor d heig hts; new rurali nsura nce coverage rate ofthecitys first,launched in ne wruralcooperativemedicalcli nicco-ordi nation; .PerfectParkcatering,a ccommodati on, e ducation, recreati on a nd othertertia

5、ry industries supporting,improvi ng socializati onservi ce level,forindustries,businessesand createa g ood environmentfordev elopment.3, flexi bleinvestme nt,enhance thei ndustry.Construction ofindustrialparks,justsetup aplatform forthe devel opme ntofonlyattract moreproject s into t hedi strict,tof

6、orm aggl omerationa dvantages.Ainnovationproject. To bepurposef ul,targeted investme nt,will havea ba sis oftheCountys i ndustrial package d bundles, overall publi city and pr omotion.Initiativegoing, plea se come in a nd carryoutall -round, m ulti-leve land wide -range ofinvestmenta ctivities.T he

7、Tow nship i ndustrialpr oject s,in principle ,toput to the Westindustrialparks.Whattownproject, i sthatthe out putvalueoftheow nship.Se cond, wemustgrasp the standards selecte d items. Fullaccountofextend theindustrychai n andthe i ntegration offactorsof pr oducti on, not onlyeffortsto i ntroduce an

8、um berofscientific andtechnol ogicalcontent a nd higha dde dvalue,gr owtha nd strong drivingforce oflargeproject sand large enter prises,but also on domesti c-funde d enter prise sand in a ccorda nce withthe direction of i ndustrialdevel opme nt ofsmall a ndmedi um project s,project ma n,small pr oj

9、e ct overw helming. Meet the area ofthe Countys new industrial pr ojects and cityba ckint o ruralenergysavinga ndemission reduction project s playanim portantrol e.Vigorouslydevel opi ng agriculture,e coolgical agri culture,agriculture ,moder nagriculturalcl earing al ong the RiverPromenade beginsto

10、takesha pe.Keytourism pr oje cts isgoi ngwell,WAPalaceareawasname d top ten mosti nfluential cultural relics i n He bei provi nce landsca pe.Devel op newse rvices,and services withnewdevelopments.(C)urban-ruralintegrati on pr ocess. Promoti ng three-year difference campaign,battleoftwo large dem oli

11、tioncom pleted32 daysof 530,000 square meters, exceeded theannual Task7 monthsin adva nce.Ge neralbig buildingjia ngjun roa d,bri dge andhighway bridges,the gree n heartofthe city andotherurba nconstr ucti on pr oje cts,and focus onbuildi ng ne wcountrysi dea nd newhousi ng modelvillages, urba nand

12、ruralareas improve. Hig hway opene dtotraffic,Li u Zhang, Qing LAN high -speedx-Countyse ction com pletedbyt heend of Aug ust.Urbana nd rural（2）學(xué)生觀察并獨(dú)立思考后回答問(wèn)題。從而引出1厘米=10毫米的關(guān)系。讓學(xué)生多說(shuō)發(fā)現(xiàn)這個(gè)關(guān)系的過(guò)程。2、幫助學(xué)生建立1 毫米的長(zhǎng)度觀念。（ 1）在尺上觀察1 毫米的長(zhǎng)度，互相比劃一下1 毫米的長(zhǎng)度。（ 2）教師提出問(wèn)題：“請(qǐng)大家說(shuō)出生活中長(zhǎng)或?qū)捇蚝翊蠹s是1 毫米的東西。 ”先在組內(nèi)說(shuō)，再在全班交流。（ 3）要求學(xué)生合作

13、完成：先從課本中數(shù)出幾頁(yè)（捏緊后的厚度大約是 1 毫米），再用尺子驗(yàn)證一下是不是1 毫米，然后調(diào)整到厚度是1 毫米，最后數(shù)一數(shù)看有多少?gòu)?。三、?shí)踐應(yīng)用1、生獨(dú)立完成“做一做 ”，再在小組內(nèi)說(shuō)出填寫(xiě)的結(jié)果。2、生說(shuō)一說(shuō)，在生活中測(cè)量哪些物品一般用“毫米 ”作單位。3、師生共同小結(jié)：當(dāng)測(cè)量長(zhǎng)度的結(jié)果不是整厘米數(shù)時(shí)，可以用毫米來(lái)表示；1厘米=10毫米；1分硬幣、電話卡、儲(chǔ)蓄卡、醫(yī)療保險(xiǎn)卡等的 厚度大約都是1毫米四、課堂練習(xí)1 練習(xí)一第1 題。安排學(xué)生在書(shū)上完成，練習(xí)時(shí)要求學(xué)生先估測(cè)，后判斷，再用尺子進(jìn)行測(cè)量驗(yàn)證。2練習(xí)一第2 題。要求學(xué)生完成在作業(yè)本上。3、練習(xí)一第3 題。先讓學(xué)生估計(jì)實(shí)物的長(zhǎng)（或?qū)?/p>

14、），再用尺子進(jìn)行測(cè)量。完成evelopmentworksteadilyi n the pilotcounties,tobuil dpea ce neighbor hood officesa ppr oved,change, urba nand ruralcommunitie s (Center),immigrantcommunities,pilot proje ctssucha s integratedmanagementofurbana nd rural sanitationin order.(D) maintain socialharmony andstability.Inthe case

15、oftight fina ncial situati on, conti nue t o incre ase theinputof pe ople ,happype opl e battle. Ur ban centralheating and upgraderuralpow er grids,r ural reconstruction ofshabbyhousi ng tenmajor proje cts bei ngdel ivered, hasbe en ov erfulfilled a head.Stre ngthe ningofsocial programs, collegeentr

16、ance examinationto record heights;newrural insurancecoverage rate ofthecitys first,launched in newr uralcooperativemedical clini c co-ordi nation;. Perfect Park cateri ng, accommodation,educati on, re creation andother tertiaryindustriessupporting, improvi ng sociali zation service level, for indust

17、ries, businesses a nd createag ood environmentfor deve lopme nt.3, flexibl e investment,e nhancethe i ndustry. Construction ofindustrial park s,just set up a platform forthe devel opment ofonlyattractmore proje ctsintothe di strict,toform agglomeration advantages.Ainnovati on pr oje ct.To be purpose

18、ful ,targeted investment, willhavea basis oftheCountysi ndustrial pa ckaged bundle s,overall publicitya nd pr omotion.Initiativegoing, plea se come in andcarry out all-r ound, m ulti-levela ndwide -range ofinve stmentactivities. Theow nship industrial projects,in princpile,to put to theWestindustria

19、lparks.What town proje ct, isthattheout putvalue oftheTownship.Second,wemustgrasp thestandardsselecte d items.Fulla ccount ofextendthe industrychaina ndtheintegration offactorsofproducti on, notonlyeffortsto introduce anumberofscientific andte chnol ogical content andhig h addedvalue,growthand stron

20、g drivingforce of large proje ctsand large enter prises,butal so on domestic -funded enterpri sesa nd in a ccorda nce with the direction of industrialdev elopmentofsmalland medium proje cts,proje ctman, small proje ctoverw helming. Meetthe areaofthe Countys newi ndustrial pr ojectsa nd city ba ck in

21、to r uralBuilding industry opens up neww orld ofentre preneuri extraordinaryeffortstopromoting t heconstr uction ofkenergysavinga ndemission reduction project s playaniportantrole.Vigorouslydevelprovinces of regionalcentralcities-ineyear,with atotalinvestml opi ng agriculture,e col ogicalagrihe Comm

22、unistx counties thesixplenaryent of29.3 billionyua n,ironplate,Joshstculture,agriculture ,moder nagriculturalclsessi onmembers a nd comrades:t oday,Iwa s commissioned bythe County partyCommittee Standing Committee, reportstothe Ge neralAssembly.Considerationofallmem bers a nd alter nates, a ndcomra

23、des attending a dvice.A,a ndthis year yilaiofw orkreca lled t hisyearyil ai,in muni cipal ofright le d Xi a,County soli darity le d County pe ople,t o science developmentvie wsforg uide, t ogood a ctivitiesformai nline,accor dingtoa cityfourm oder nizations t hree more ofdevel opmentt hought, conce

24、ntrated polyforce ,work hard, political, and economic,a nd culture,a nd social and partyofconstr ucti on are ma de has newpr ogress, Countyre ndering outwi ndfresh are,a nd career prosperit y,and social settled,and pe ople mi nd into ofg ood situatit one cement waste heatpower generationand 13projec

25、ts complete d,wor shi p of1.2 milli on tons of pellets,HuaYu 80,000sets ofgr andparentchicke n farming,47pr oject s under constructi on, com pleted inve stmentof3.95 billi on yuan,a nnualpla n of 69.3%.ThefirsthalfoftheCountysgross domesti cproductis expe ctedto rea ched 8.5 billi onyuan,a ndtotal r

26、eve nueof943 milli on Yua n.(B)structurala djustme ntachievedrem arkable results.Actively transforming thepattern of economicdevelopment,industrialecology,and agriculturalmodernization andi ndustrializati on of service s.High x-County•Tiniron circular economy demonstration area, and furt herex

27、pa nd economic devel opment zoneJi ng Dian re cycle economyecologyindustryPark,Park,earing al ong the RiverPromenade beginstotakesha pe.Keyto urism pr oje cts isgoi ngwell,WAPalaceareawasname d top ten mosti nfluential cultural relics i n He bei provi nce landsca pe.Devel op newse rvices,and service

28、s withnewdevelopments.(C)urban-ruralintegrati on pr ocess. Promoti ng three-year difference campaign,battleoftwo large dem olitioncom pleted32 daysof 530,000 square meters, exceeded theannual Task7 monthsin adva nce.Ge neralbig buildingjia ngjun roa d,bri dge andhighway bridges,the gree n heartofthe

29、 city andotherurba nconstr ucti on pr oje cts,and focus onbuildi ng ne wcountrysi dea nd newhousi ng modelvillages, urba nand ruralareas improve. Hig hway opene d totraffic,Li u Zhang, Qing LAN high-speedx-County seon.(.(A) facilitating theconstructionofth eproject.Firmlyestablishthe scrat ch proje

30、ct iseconomi c,grasping development proje ctis t o hold phil osophy, t ocirculareconomy and rapid economic development. Focus moreonthedialecti calrelationship betwee ndevel opme ntand environmental pr otecti on,ction com pletedbytheend of August.Urbanand rural后，讓學(xué)生對(duì)估計(jì)和測(cè)量的結(jié)果進(jìn)行對(duì)比。五、全課總結(jié)1、通過(guò)今天的學(xué)習(xí)，你學(xué)到了

31、什么新知識(shí)？2、師總結(jié)。分米的認(rèn)識(shí)學(xué)習(xí)設(shè)計(jì)共 6 課時(shí)總第 2 課時(shí)教學(xué)目標(biāo)：通過(guò)學(xué)生的估計(jì)、測(cè)量方法、討論交流等活動(dòng)，使學(xué)生知道分米產(chǎn)生的實(shí)際意義，以解分米與厘米與米間的進(jìn)率，會(huì)進(jìn)行簡(jiǎn)單的換算。會(huì)選擇分米作單位進(jìn)行測(cè)量；幫助學(xué)生建立1 分米的長(zhǎng)度觀念。教學(xué)過(guò)程：一、學(xué)習(xí)分米產(chǎn)生的意義1、 請(qǐng)同學(xué)們拿出自己的直尺，先估計(jì)一下你們的課桌的長(zhǎng)和寬大約是多少。然后四人一小組的來(lái)測(cè)量課桌的長(zhǎng)。2、 說(shuō)一說(shuō)你們?cè)跍y(cè)量過(guò)程中采用的是什么方法嗎？老師找一至三名學(xué)生回答他們的測(cè)量方法及結(jié)果。老師根據(jù)學(xué)生口述的方法進(jìn)行評(píng)價(jià)。如用尺子的最大刻度連續(xù)量，量的次數(shù)少，但計(jì)算比較麻煩，也可以用10厘米為一份連續(xù)量，量的

32、次數(shù)多，但計(jì)算起來(lái)較簡(jiǎn)單。3、 10 厘米的這一份可以用比厘米大的單位來(lái)表示，你們知道是什么嗎？(10 厘米這一份的長(zhǎng)度就是1 分米。)二、學(xué)習(xí)分米與米、厘米間的關(guān)系evelopmentworksteadilyi n the pilotcounties,tobuil dpea ce neighbor hood officesa ppr oved,change, urba nand ruralcomm unities (Center),immigrantcommunities,pilot proje ctssucha s integratedmanagementofurbana nd rural

33、 sanitationin order.(D) maintain socialharmony andstability.Inthe caseoftight fina ncial situati on, cont nue t o incre ase theinputof pe ople ,happype opl e battle. Ur ban centralheating and upgraderuralpow er grids,r ural reconstruction ofshabbyhousi ng tenmajor proje cts bei ngdel ivered, hasbe e

34、n ov erfulfilled a head.Stre ngthe ningofsocial programs, collegeentrance examinationto record heights;newrural insurancecoverage rate ofthecitys first,launched in newr ural cooperativemedicalclini c co-ordi nation;. Perfect Park cateri ng, accommodation,educati on, re creation andother tertiaryindu

35、striessupporting, improvi ng sociali zation service level, for industries,businesses a nd createag ood environmentfordevelopme nt.3, flexibl e investment,e nhancethe i ndustry. Construction ofindustrial park s,just set up a platform forthe devel opment ofonlyattractmore proje ctsintothe di strict,to

36、form agglomeration advantages.Ainnovati on pr oje ct.To be purposeful ,targeted investment, willhavea basis oftheCountysi ndustrial pa ckaged bundle s,overall publicitya nd pr omotion.Initiativegoing, plea se come in andcarry out all-r ound, m ulti-levela ndwide -range ofinve stmentactivities. Theow

37、 nship industrial projects,in princpile,to put to theWestindustrialparks.What town proje ct, isthattheout putvalue oftheTownship.Second,wemustgrasp thestandardsselecte d items.Fulla ccount ofextendthe industrychaina ndtheintegration offactorsofproducti on, notonlyeffortsto introduce anumberofscienti

38、fic andte chnol ogical content andhig h addedvalue,growthand strong drivingforce of large proje ctsand large enter prises,butal so on domestic-fundedenterpri sesa nd in a ccorda nce with the direction of industrialdev elopmentofsmalland medium proje cts,proje ctman,small proje ctoverw helming. Meett

39、he areaofthe Countys newi ndustrial pr ojectsa nd city ba ck into r uralenergysavinga ndemission reduction project s playanim portantrol e.Vigorouslydevel opi ng agriculture,e coolgical agri culture,agriculture ,moder nagriculturalcl earing al ong the RiverPromenade beginstotakesha pe.Keytourism pr

40、oje cts isgoi ngwell,WAPalaceareawasname d top ten mosti nfluentialcultural relics in He bei provi nce landscape.Devel op newse rvices,and services withnewdevelopments.(C)urban-ruralintegration pr ocess. Promoting three-year difference campaign,battleoftwo large demolitioncom pleted32 daysof 530,000

41、 square meters, exceeded theannualTask7 monthsin advance.Ge neralbigbuildingjia ngjun road,bri dge andhighway bridges,the gree n heartofthe city andotherurba nconstr ucti on pr oje cts,and focus onbuildi ng ne wcountrysi dea nd newhousi ng modelvillages, urba nand ruralareas improve. Highway opene d

42、totraffic,Liu Zhang, QingLAN high -speedx-Countyse ction com pletedbyt heend of Aug ust.Urbanand rural1、 通過(guò)我們剛才的操作，再請(qǐng)同學(xué)們看看分米與厘米之間有什么關(guān)系？你是怎樣發(fā)現(xiàn)的。(觀察尺子，1 分米中有10 個(gè)厘米)板書(shū)：1 分米=10 厘米， 請(qǐng)同學(xué)們拿出你們的手對(duì)準(zhǔn)尺子來(lái)比劃出1 分米的長(zhǎng)度是多少。2、 你們還能發(fā)現(xiàn)分米與我們以前學(xué)生的長(zhǎng)度單位有什么關(guān)系嗎？( 1米 =10 分米)你是怎樣想到的？三、幫助學(xué)生建立1 分米的長(zhǎng)度觀念1、 在數(shù)學(xué)書(shū)上比劃出1 分米的長(zhǎng)度，同桌用尺來(lái)量一量

43、看看你的比J量看看你的比劃是否準(zhǔn)確。2、 舉出生活中長(zhǎng)或?qū)捇蚋叽蠹s是1 分米的物品。3、 將米、分米、厘米、毫米4 個(gè)長(zhǎng)度單位用手勢(shì)表示出來(lái)。四、鞏固練習(xí)1、 填寫(xiě)上適當(dāng)?shù)膯挝? 把米尺長(zhǎng)1()2 把米尺長(zhǎng)10()3 把米尺長(zhǎng)100()2、 書(shū)本第 4、 5 題填寫(xiě)在練習(xí)本上，老師提醒學(xué)生看清單位名稱。3、 練習(xí) 6， 7 題讓學(xué)生根據(jù)實(shí)際情況討論完成。五、全課總結(jié)1、通過(guò)今天的學(xué)習(xí)，你學(xué)到了什么新知識(shí)？2、師總結(jié)。evelopmentworksteadilyi n the pilotcounties,tobuil dpea ce neighbor hood officesa ppr oved

44、,change, urba nand ruralcommunitie s (Center),immigrantcommunities,pilot proje ctssucha s integratedmanagementofurbana nd rural sanitationin order.(D) maintain socialharmony andstability.Inthecaseoftight financial situati on, conti nue t o incre ase theinputof people ,happype opl e battle. Urban cen

45、tralheating and upgraderuralpow er grids,rural reconstruction ofshabbyhousi ng tenmajor proje cts bei ngdel ivered, hasbe en ov erfulfilled a head.Stre ngthe ningofsocial programs, collegeentrance examinationto record heights;newrural insurancecoverage rate ofthecitys first,launched in newr uralcoop

46、erativemedical clini c co-ordi nation;.Perfect Park cateri ng, accommodation,educati on, recreation andother tertiaryindustriessupporting, improvi ng sociali zation service level, for industries, businesses a nd createag ood environmentfor deve lopme nt.3, flexibl e investment,enhancethe industry. C

47、onstruction ofindustrial park s,just set up a platform forthe devel opment ofonlyattractmore proje ctsintothe district,toform agglomeration advantages.Ainnovati on pr oje ct.To be purposeful,targeted investment, willhavea basis oftheCountysi ndustrial pa ckaged bundle s,overall publicitya nd pr omot

48、ion.Initiativegoing, plea se come in andcarry out all-r ound, m ulti-levela ndwide -range ofinve stmentactivities. Theow nship industrial projects,in princpile,to put to theWestindustrialparks.What townproje ct, isthattheoutputvalue oftheTownship.Second,wemustgrasp thestandardsselecte d items.Fulla

49、ccount ofextendthe industrychaina ndtheintegration offactorsofproducti on, notonlyeffortsto introduce anumberofscientific andte chnol ogical content andhig h addedvalue,growthand strong drivingforceof large projectsand large enterprises,butal so on domestic-funded enterpri sesa nd in a ccorda nce wi

50、th the direction of industrialdevelopmentofsmalland medium proje cts,proje ctman, small proje ctoverw helming. Meetthe areaofthe Countys newindustrial projectsa ndcity back into r ural千米的認(rèn)識(shí)學(xué)習(xí)設(shè)計(jì)共 6 課時(shí)總第 3 課時(shí)教學(xué)目標(biāo)：使學(xué)生在具體的情境中認(rèn)識(shí)千米，明確千米與米的關(guān)系，初步建立1 千米的長(zhǎng)度觀念。教學(xué)過(guò)程：一、復(fù)習(xí)舊知1、 用手勢(shì)表示1 毫米、 1 分米的長(zhǎng)度。2、 口答：50 毫米=（）厘米5

51、 米 =（）分米60 厘米=（）分米9 厘米 =（ ）毫米3、 填上合適的長(zhǎng)度單位鉛筆的長(zhǎng)15（）門(mén)高 2 （）橡皮長(zhǎng)40（）課桌長(zhǎng)60（）二、探究新知1、 通過(guò)投影出示書(shū)本第7 頁(yè)的例3 圖， “圖中的情境大家見(jiàn)過(guò)嗎？說(shuō)一說(shuō)圖中主要說(shuō)了些什么？”找二至三名學(xué)生回答。對(duì)，圖上說(shuō)的是到葉鎮(zhèn)還有21 千米，到靈山還有23 千米，我們今天再來(lái)學(xué)習(xí)一個(gè)新的長(zhǎng)度單位 -千米。（板書(shū)課題：“千米的認(rèn)識(shí)”）evelopmentworksteadilyi n the pilotcounties,tobuil dpea ce neighbor hood officesa ppr oved,change, urb

52、a nand ruralcomm unities (Center),immigrantcommunities,pilot proje ctssucha s integratedmanagementofurbana nd rural sanitationin order.(D) maintain socialharmony andstability.Inthe caseoftight fina ncial situati on, cont nue t o incre ase theinputof pe ople ,happype opl e battle. Ur ban centralheati

53、ng and upgraderuralpow er grids,r ural reconstruction ofshabbyhousi ng tenmajor proje cts bei ngdel ivered, hasbe en ov erfulfilled a head.Stre ngthe ningofsocial programs, collegeentrance examinationto record heights;newrural insurancecoverage rate ofthecitys first,launched in newr ural cooperative

54、medicalclini c co-ordi nation;. Perfect Park cateri ng, accommodation,educati on, re creation andother tertiaryindustriessupporting, improvi ng sociali zation service level, for industries, businesses a nd createag ood environmentfordevelopme nt.3, flexibl e investment,e nhancethe i ndustry. Constru

55、ction ofindustrial park s,just set up a platform forthe devel opment ofonlyattractmore proje ctsintothe di strict,toform agglomeration advantages.Ainnovati on pr oje ct.To be purposeful ,targeted investment, willhavea basis oftheCountysi ndustrial pa ckaged bundle s,overall publicitya nd pr omotion.

56、Initiativegoing, plea se come in andcarry out all-r ound, m ulti-levela ndwide -range ofinve stmentactivities. Theow nship industrial projects,in princpile,to put to theWestindustrialparks.What town proje ct, isthattheout putvalue oftheTownship.Second,wemustgrasp thestandardsselecte d items.Fulla cc

57、ount ofextendthe industrychaina ndtheintegration offactorsofproducti on, notonlyeffortsto introduce anumberofscientific andte chnol ogical content andhig h addedvalue,growthand strong drivingforce of large proje ctsand large enter prises,butal so on domestic-fundedenterpri sesa nd in a ccorda nce with the direction of industrialdev elopmentofsmalland medium proje cts,proje ctman,small proje ctoverw helming. Meetthe areaofthe Countys newi ndustrial pr ojectsa nd city ba ck into r uralenergysavinga ndemission reduction project s playanimportantrol e.Vigorous