以上来源于: WordNet
youdao
It is defined as rho= That's the correlation coefficient.
定义为,rho等于xy的协方差比xy各自的标准差的乘积,这就是相关系数
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If you receive a Y chromosome from your father, then your XY pair means you're genetically a male.
CNN: Triple X syndrome
Of the 531K comments that Bluefin tracked around the primaries, 64 percent of that conversation was sustained by XY types.
FORBES: Super Tuesday: Men Win, At Least In Social TV Politics
The man, known only as XY, issued proceedings against the social networking site after discovering his photograph and threatening comments posted on the page.
BBC: Facebook
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