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倾卿笑语如存木虫 (小有名气)
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翻译两句话，急用
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However, for many pure metals such a %EL is still nowhere close to their characteristic high ductility in cg form (d of many micrometers and above). More importantly, the useful uniform tensile deformation, i.e., the plastic strain before localized deformation sets in at or near the peak in the engineering stress–strain curve, is close to zero for almost all nc and ufg metals。（注：％EL是 伸长率 ， cg是coarse-grained (cg) ，d表示晶粒尺寸， nc是纳米，ufg是超细晶 ） |
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2楼2015-09-22 21:53:57