單詞
variance
英 ['ve?r??ns]
美['v?r??ns]
基本信息
- n. 變異；變化；不一致；分歧；[數(shù)] 方差
GRETOEFL低頻詞擴展詞匯
英英釋意
- 1. an event that departs from expectations
- 2. discord that splits a group
- 3. the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
- 4. a difference between conflicting facts or claims or opinions;
- "a growing divergence of opinion"
- 5. the quality of being subject to variation
- 6. an activity that varies from a norm or standard;
- "any variation in his routine was immediately reported"
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