【多选题】In selecting a material for a specific application, which of the following issues should be considered?
【简答题】Magnetic properties demonstrate the response of a material to the application of a ( ).
【多选题】设有向量A=[1 2 3 4 5 6], 问下面的表达式哪个是可以在MATLAB(Octave)中运行的:
【判断题】组合体中相邻表面之间主要有四种关系:平齐与不平齐、相切或者相交。
【判断题】奇异信号包括斜变、越阶、冲激、冲激偶和正弦信号。()
【判断题】we can ignore application of garment material ,because what if our work become clothing marketing in future。