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variances的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 variance:
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an event that departs from expectations
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discord that splits a group
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the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
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a difference between conflicting facts or claims or opinions
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the quality of being subject to variation
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an official dispensation to act contrary to a rule or regulation (typically a building regulation)
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an activity that varies from a norm or standard
