variance
方差
常用释义
英音[ ˈveəriəns ]
美音[ ˈveriəns ]
变形
复数:
variances
基本释义
- n. 分歧，不一致；变化幅度，差额；（官方的）特殊许可；（律）（两个供述或证据间的）不符；（统计）方差
例句
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1·Many of his statements were at variance with the facts.他的许多陈述都与事实相矛盾。来源: 《柯林斯英汉双解大词典》
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2·These conclusions are totally at variance with the evidence.这些结论与证据完全相悖。来源: 《牛津词典》
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3·Although qualitative variance among nerve energies was never rigidly disproved, the doctrine was generally abandoned in favor of the opposing view.尽管神经能量之间的质量差异从未被严格否定，但这一学说普遍被放弃，相反的观点则被支持。
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4·Of course, learning does vary a lot between individual students, but research reliably shows that this variance is far greater within populations of boys or girls than between the two sexes.当然，不同学生的学习能力差异很大，但研究确实表明这种差异在男孩或女孩群体中要比在两性群体中大得多。
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5·The distinction between covariance and contravariance is important for computations with tensors, which often have mixed variance.协变和逆变的区别对于张量的计算尤为重要，这往往会出现混合方差。
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6·Spending Variance is the difference between the fixed overhead incurred and the fixed overhead budgeted.支出差异指的是实际发生的固定间接费用与预算的固定间接费用之间的差额。
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7·Reduced variance in estimation.在估值中减少的变化。
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8·where V0 is the initial variance.V0是初始方差。
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9·It's very foolish to use variance.使用方差是很愚蠢的。
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10·The more x moves, the bigger the variance is.参数的变动越多,方差就越大
网络释义
- variance analysis : 方差分析；差异分析
- analysis of variance : 方差分析
- at variance : 不和；有分歧
- at variance with : 与…不和
- total variance : 总方差，总变异数
- cost variance : 成本差异
同义词
n.
[生物]变异；变化；不一致；分歧；[数]方差
同根词
词根：
variant
variable
adj
变量的；可变的；易变的，多变的；变异的，[生物] 畸变的
variant
adj
不同的；多样的
variation
n
变化；[生物] 变异，变种
variable
n
[数] 变量；可变物，可变因素
variant
n
变体；转化
variability
n
可变性，变化性；[生物][数] 变异性