基本释义:

双数列相关比

网络释义

1)biserial ratio of correlation,双数列相关比

2)point biserial correlation coefficient,点双列相关系数

3)bi-serial coefficient of correlation,双列相关系数

4)bi-series correlation,双列相关

5)double equal ratio series,双等比数列

6)biserial ratio of correlation,两序列相关比

用法和例句

The definition of double equal ratio series is given in the paper and the general term and formula of former n terms are given.

给出了双等比数列的定义和三等比数列概念,推证出双等比数列和三等比数列的通项公式和前n项和公式,最后给出了三等比数列的概念、通项公式和前n项和公式。