檢視伸长率的原始碼

[[File:伸长率.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E4%BC%B8%E9%95%BF%E7%8E%87&step_word=&hs=0&pn=15&spn=0&di=170060&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=3976312712%2C1744286408&os=4241247864%2C4033422881&simid=0%2C0&adpicid=0&lpn=0&ln=1919&fr=&fmq=1622629844350_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20171004%2F714f39b8af93451ca23303467284ead6.jpeg%26refer%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1625221904%26t%3Dcd1fc6f483903b0e95c05ca28ce8ecf9&fromurl=ippr_z2C%24qAzdH3FAzdH3F4p_z%26e3Bf5i7_z%26e3Bv54AzdH3F4tsAzdH3F1da808aanAzdH3F8lm8bdnbb_dd8n9b_z%26e3Bfip4s&gsm=10&rpstart=0&rpnum=0&islist=&querylist=&nojc=1 原图链接][https://www.sohu.com/a/196182388_221348 来自搜狐]]]
'''伸长率'''是指试样在拉伸断裂后，原始标距的伸长与原始标距之比的百分率。伸长率是表示材料均匀变形或稳定变形的重要参数。<ref>[https://www.sohu.com/a/334762909_120178857 伸长率试验机]搜狐</ref>