【简答题】How do you think of the following example? Many Japanese never take the vacations they should enjoy, but with the coming of “Golden Week”, several holidays following one after another in late April an...
【判断题】X=0.10101,Y=-0.11010,则X和Y 的补码之积为1.1101101010。( )
【单选题】离心式压缩机与活塞式压缩机相比,其效率( )。