z分数变换后会改变一个数据在该组数据中的位置。
参考答案:错
The speaker believes that a practical solution to the problem of starvation is to remove obstacles to adequate supply of food rather than to increase production of it.
A.True
B.False
织物经树脂整理达到织物定型目的的整理方法称为()
A、机械定形法
B、膨化剂定形法
C、化学定形法