variance是什么意思
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英音 ['vɛəriəns] ;
美音 ['veriəns] ;
名词[C,U]
1. 变化幅度；差额
2.【数】方差
&diams
at variance with sb./sth. 看法不一，矛盾，冲突
英语解释
an event that departs from expectations
the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
an activity that varies from a norm or standard
the quality of being subject to variation
a difference between conflicting facts or claims or opinions
discord that splits a group
an official dispensation to act contrary to a rule or regulation (typically a building regulation)
相似短语
at variance with 与…有分歧,与…相反
variance in 的变化
at variance adv.有分歧,不和
component of variance 方差分量
dominance variance 显性变量，显性变异
error variance 误差方差，误差离散，机误变量
expense variance 费用差异
mean of variance 方差平均
standard variance n.标准方差
overhead variance 间接生产费差异
相似单词
variance n.[C,U] 1. 变化幅度；差额2.【数】方差♦ at variance with sb./sth. 看法不一，矛盾，冲突
time variance 时间变异
mean variance 均方，方差
