应力状态分析中主应力是应力矩阵的特征值。
A. 对
B. 错
People _______ a great sense of achievement and satisfaction from managing their home well especially when they see their children grow up and accomplish things.
A. derive
B. desire
C. deserve
D. desert
With the expansion of Chinese viewers, many Western filmmakers have started to _______ Chinese elements in their products to meet Chinese audiences’ needs.
A. hold
B. compose
C. incorporate
D. digest
Residents should _______ their application approval of their structural plans in advance before they intend to commence construction works.
A. permit
B. transmit
C. emit
D. submit