它绕着质心的椭园运动就几乎看不出来.Its own elliptic motion around it will be almost imperceptible.在无外力时,质心的速度是常量.The velocity of the center of mass is constant in the absence of external forces.错误的根源在于混淆了质心与重心 吗 ?Do We Mistake Center of ...
Others are more suited to incorporation within a pure CSS layout.另外一些完美的CSS效果更适合于公司企业.the layout of streets街道的布局The city is greenly the principle of convention programming and layout form.城市绿地体统规划的原则与布局形式.It is critical ...
Objective To construct display vector based on the CS 3 pili of enterotoxigenic Escherichia coli.目的构建大肠杆菌CS3菌毛呈现载体,实现外源表位在细菌表面的呈现.Process control of recombinant Escherichia fed - batch culture should be optimized.优化重组大肠杆...
Lemon and lime juice were both temporarily out of stock.柠檬汁和酸橙汁暂时都缺货。There were two lemon trees and I paused to enjoy their perfume.那里有两棵柠檬树，我不禁驻足品味柠檬的芬芳。Lemon juice can help to prevent economy-class syndrome by improvin...