sample covariance
查询英语单词中文释义、音标、发音和例句。
sample covariance
英
[sample covariance]
美
[sample covariance]
中文释义
样本协方差
单词分析
单词结构：
sample covariance
字母数：17
记忆提示
🎯 重点记忆：
- 单词拼写：sample covariance
- 核心含义：样本协方差
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更新时间：2026-08-31 00:43:18