标志变异指标
参考答案:
是反映总体各单位标志值的差异程度的,即反映分配数列中各标志值的变动范围或离差程度的综合指标,也叫标志变动度,简称变异指标
I can’t quite remember ________ I was taken to Beijing.
A.that it was when
B.when it was that
C.when was it that
D.that was it when
辽中南工业基地形成的主要原因是( )
A.有悠久的农耕历史
B.有丰富的劳动力资源
C.资源丰富,工业接近原燃料产区
D.河网密布,有十分便利的交通条件