请输入您要查询的英语单词:
单词
covariance
释义
covariance
[kəʊ'veərɪəns]
n
22919
420
0
0
1
0
419
协方差(
88%
),共分散(
12%
)
n.
[数] 协方差;共分散
随便看
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更新时间:2026/9/27 6:32:41