zero covariance造句
例句与造句
- Space . the usual zero covariance portfolio of the frontier portfolio is its degenerate case , and the portfolio frontier is the envelope of our
通常使用的前沿资产组合的零协方差资产组合是它的退化型特例，资产组合前沿是所有 - It's difficult to find zero covariance in a sentence. 用zero covariance造句挺难的