单词：partial covariance
partial covariance的用法和样例：
例句
- A new covariance matrix estimator is developed, and a formula for fast estimation of regularization parameters is derived.发展了一种新的协方差矩阵估计器，导出了一个快速估计正则化参数的公式。
- Covariance analysis was used to analyze herbicide efficacy data from rapeseed experiments.摘要采用协方差分析方法，对油菜田除草剂的试验结果进行了分析。
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