labashiyanshiweilelejiejiajintujiemiandemocatexingerjinxingdeyigekexueshiyan。jiajintujiemiandemocatexingshidangdaijiajintujishudeyanjiuzhongdezhongdianhenandian
，erweilenongqingzheqizhongdejili
，xuduoxuezhedouzuolehenduodekexueshiyan
，qizhongjiubaokuolelabashiyan，bingqiequdedeyixiechengguoyijingyingyongzaileshijidecaozuoshang。danshiyouyuyingxiangjiajintujiemianmocatexingdeyinsubijiaoduo，youxuduowentihaimeiyoujiejue，suoyilabashiyandefangfahaiyoudaiwanshan。labashiyanduiyuceshijiajintujiemiandemocatexinglaishuoshifeichangzhongyaodeyigeshiyan

，zaijiejueshijidewentishangyeyouzhehenhaodebangzhuhezhidaozuoyong。

     一yi般ban在zai進jin行xing拉la拔ba實shi驗yan之zhi前qian，應ying該gai先xian確que定ding對dui什shen麼me進jin行xing拉la拔ba試shi驗yan，比bi如ru對dui植zhi筋jin進jin行xing拉la拔ba試shi驗yan，一yi般ban按an鋼gang筋jin規gui格ge和he按an組zu數shu來lai進jin行xing試shi驗yan，而er試shi驗yan的de地di點dian一yi般ban都dou選xuan在zai施shi工gong地di。任ren何he實shi驗yan都dou有you它ta的de實shi驗yan原yuan理li和he方fang法fa
，拉la拔ba試shi驗yan也ye是shi一yi樣yang。但dan是shi由you於yu拉la拔ba試shi驗yan的de機ji理li和he試shi驗yan方fang法fa在zai國guo內nei外wai還hai沒mei有you達da成cheng共gong識shi，形xing成cheng統tong一yi的de標biao準zhun
，每mei個ge國guo家jia也ye都dou還hai處chu於yu摸mo索suo的de階jie段duan。

     meigeguojiazaizuolabashiyandeshihoudoushitongguogaijintongyigeyiqilaijinxingde，danshizhexieshiyansuodedaodedejieguoquedoubujinxiangtong，suoyiwomenyehennandedaoyigexiangduikekaodeshuju。suiranduiyulabashiyandejiliheshiyanfangfazaiguoneiwaihaimeiyoudachenggongshi
，danshitongguoshiyan
，guoneiwaidoubiaoming，labaliyucaizhihemocadeqiangdushiyouguande。zaitongzhongcaizhishangshijiabutongdelabali
，suodedaodeshiyanjieguoshibutongde；相(xiang)同(tong)的(de)，在(zai)不(bu)同(tong)的(de)材(cai)質(zhi)上(shang)施(shi)加(jia)一(yi)個(ge)相(xiang)同(tong)的(de)拉(la)拔(ba)力(li)，所(suo)得(de)到(dao)的(de)的(de)實(shi)驗(yan)結(jie)果(guo)也(ye)是(shi)不(bu)同(tong)的(de)。雖(sui)然(ran)拉(la)拔(ba)試(shi)驗(yan)所(suo)得(de)到(dao)的(de)結(jie)果(guo)還(hai)不(bu)能(neng)完(wan)全(quan)得(de)到(dao)證(zheng)實(shi)
，但(dan)是(shi)為(wei)將(jiang)來(lai)的(de)實(shi)驗(yan)提(ti)供(gong)了(le)初(chu)步(bu)的(de)方(fang)向(xiang)。