该书曾几次受到作者过多的制约。There are times when the book suffers from excessive authorial control.安妮塔羡慕姐姐不受道德观念的制约，藐视公众舆论。Anita envied her sister's amorality and contempt for public opinion.工会受法律的制约。The trade unions are shackle...
在试验段中装有两个平行六面体试件.Two sample parallelepipeds are located in the test section.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.We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.同高的平行六面体(的体积)之比等于其底面(积)之比.Pa...