在这风云变色的几年间, 北京陷落了.As the difficult years passed , Peking fell.分别探讨了接插件镀金和镀银层变色的原因.The causes of tarnishing gold and silver - plated connectors were studied respectively.我养了一只四脚蛇, 变色的时候很有趣.I am raising a lizard, it is int...
The surface of the brain is pinky-grey and latticed with tiny blood vessels.大脑表层呈灰红色，上面的微细血管纵横交错，宛如一个个斜格子。This thesis studied the force coefficient of 3 - D latticed under wind loading.本文主旨在探讨三维桁架受风载重风力系数之分析.Having an op...