The practical value of knowledge resources possesses popularity , duality of exhaustiveness and non exhaustiveness, and expansivity. 知识资源的使用价值具有广普性、非耗竭与耗竭二重性及扩张性.
Nicholas was a man who would always befriend me.尼古拉斯是个总是待我如友的人.If you don't care about me, why did you befriend me?如果你不在乎我, 为什么和我做朋友?Joanna had made one or two half-hearted attempts to befriend Graham's young w...
The microstructural evolution of semisolid AZ 91 alloy by SIMA process was investigated.研究了AZ91镁合金的SIMA法半固态组织演变.Research in predicting and modeling microstructural changes a workpiece using FEM is in progress.利用有限元分析的方法预...