Results: The corresponding microscopical characteristics and thin layer spots from the samples can be obtained.结果: 显微鉴别、薄层色谱鉴别可检出样品中相应的显微特征及薄层斑点.The causation of wheel breaking - up was analyzed through physical and chem...
建构一动态绘图:展示三角线沿著互相垂直的两轴滚动.Construct an animation of the deltoid sliding on two mutually perpendicular lines.伞齿轮: 连接直角相交两轴的齿轮.Bevel gears: gears which connect two shafts at right angles.该系统利用两轴控制系统,实现对显示屏的 定点 检测.The system...
他们的论据经不起一点推敲。Their arguments do not withstand the most superficial scrutiny.这个命题经得起推敲吗？How well does this thesis stand up to close examination?她的观点经不起认真推敲。Her argument doesn't really stand up to scrutiny....