关于测量，正确的是（）。

A.测量就是心理测量

B.测量就是依据一定的法则用数字对事物加以确定

C.测量就是用数字表描述事物的法则

D.测量就是用一些题目或数字来描述事物的属性

While many studies indicate that remotely sensed data provide cost-effective and up-to-date information in managing earth resources, use of the tremendous amount of already available data in meaningful applications has not reached its full potential.

A．trivial

B．remarkable

C．initial

D．capable