变异数-互变异数矩阵
Variance-covariance Matrix
多变量互变异数不等式
multivariate covariance inequality
多变量互变异数分析模型
multivariate analysis of covariance model
互变异数平稳过程
covariance stationary process
系数变异数之动态范围
dynamic range of coefficient variance
分子的互变异构
Molecular tautomerization