It is emphasis on contravariance rule, covariance rule and closed-behavior rule that generic-special relation must abide in this paper.
本文重点研究了建立一般-特殊关系所必须服从
抗变性、协变形原则和闭合行为原则。
covariance
/kəʊ'veərɪəns/ /ko'vɛrɪəns/
n. 协方差
近义词
n.联想词
关系;
;;;,参;
变化,不变;;covariance matrix [计]协方差矩阵
covariance analysis 协方差
；积差；共变
；积差；共变covariance function 协方差函数；共变函数；积差函数
函数；积差函数analysis of covariance 共散；协方差
散；协方差声明：以上例句、词性
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相似单词
covalency, covalent, covalent bond, covar, covariability, covariance, covariant, covariation, covary, cove,