variance ratio
短语词组
- Minimum Variance Hedge Ratio 避险比率;最小方差对冲率
- variance -ratio distribution 方差比分布
- variance of ratio 比率的方差
- variance mean ratio method 方差比率法
- variance contribution ratio 方差贡献率
- variance e ratio 方差比
- variance of ratio estimate 比率估计值的方差 返回 variance ratio