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sample covariance
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:2026-01-27 12:31:38