variance中文什么意思

n.
1.变化，变动，变更；变度，变量；【统计】(平)方(偏)差。
2.(意见等的)相异；不和，冲突，争论。
3.【法律】诉状和供词的不符。
+更多解释...短语和例子
at variance with 和…不和；和…不符 (at variance with the facts 不符事实。His conduct is at variance with his words. 他言行不符)。 set at variance 使不睦，离间。

• at variance:    有分歧, 不和
• at variance with:    与...有分歧, 与...不和, 与 ...
• variance with:    和不和

例句与用法

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1. Variances associated with the spectra are also given in table 2-5 .
   表2-5中也给出了与光谱有关的偏差。
2. The positive square root of the variance is called the standard deviation .
   方差的正的平方根叫做标准差。
3. In statistical language, this estimate is called the between-column variance .
   在统计学中这个估计值叫组间方差。
4. This, too, was something which was completely at variance with the known laws of nature .
   这同样完全不符合当时已知的自然法则。

英文释义

名词

1. an activity that varies from a norm or standard; "any variation in his routine was immediately reported"
   同义词：variation
2. an official dispensation to act contrary to a rule or regulation (typically a building regulation); "a zoning variance"
3. the quality of being subject to variation
   同义词：variability, variableness
4. a difference between conflicting facts or claims or opinions; "a growing divergence of opinion"
   同义词：discrepancy, disagreement, divergence
5. the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
6. discord that splits a group
   同义词：division
7. an event that departs from expectations
   同义词：discrepancy, variant

百科释义

In probability theory and statistics, the variance is a measure of how far a set of numbers is spread out. It is one of several descriptors of a probability distribution, describing how far the numbers lie from the mean (expected value).