最大剪应力理论认为最大剪应力是引起材料破坏的主要原因,铸铁圆轴扭转时,因横截面上任意一点为纯剪应力状态,故可用此理论对该轴进行强度计算。
查看答案
Please choose an appropriate term from below to complete the phrase. army choir team class band crowd board troupe staff gang an _______ of soliders
Using cognitive structure, we can not only analyze and explain culture-specific emotion words, but also find out cultural differences between what are thought to be equivalent emotion words in different languages. ()
常见的分类包括根据变量的连续和离散可以分成______________问题;根据目标函数或约束条件的线性和非线性可以分成______________问题;根据目标的数量可以分成______________问题。