The investigation was extended to the study of a three - dimensional granular medium.将这项研究推广到对三维颗粒状介质的考察.We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.我们现在在三维应力分析中采用四面体单元和六面体单元...
The house seemed muted, hushed as if it had been deserted.房子里似乎悄然无声，安静得好像已经没人在住一样。She could hear his ragged breathing, as if he had been running.她能听到他不均匀的呼吸声，似乎他是跑着过来的。He did not sound as if he believed her.他听起来似乎并不相信她。...
To keep your bearings in a desert sandstorm is impossible.在沙漠的尘暴中要想保持方位感是不可能的.With the aid of a compass the traveler can find his bearings.藉助罗盘,旅行者可以找到自己所处的方位.A sightseeing tour of the city is included to help you get yo...