调制好的涂料一般不能操作三天的使用量，并应存装在清洁的密封容器中。( )
参考答案：对
You are performing two sums: the first is a sum of two scalar variables and the second is a matrix sum of a pair of two- dimensional arrays-size 1000 by 1000. What speedup is achieved when the calculations are performed on size 1000 processors
A．50
B．100
C．999
D．none of the above
KQW型系列泵的泵和电机之间是（）。
A、皮带连接
B、通轴
C、联轴器
D、柔性连接
