coefficient of variation
用于衡量变异程度。
常用释义
英式发音
美式发音
基本释义
- 变异系数：通常是标准差与平均值（通常是算术平均值）之比，用于衡量变异程度。
例句
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1·The coefficient of variation of intra-assay and inter-assay was less than 5%.定量检测的批间和批内变异系数均小于5%；
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2·Along with sampling scale increasing, the coefficient of variation increased gradually.随采样幅度尺度的增大，变异系数呈逐渐增大的趋势。
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3·RESULTS The method is accurate and easy to operate, and coefficient of variation is small.结果该方法变异系数小，准确度高，操作简便易行。
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4·On a limited sampling, the single-operator coefficient of variation has been found to be 9.1 %.根据有限取样，发现每个操作员试验结果的变化系数为9.1 %。
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5·The change of coefficient of variation with range in a surface sound channel was calculated numerically.并对表面声道中起伏率随距离的变化作了数值计算。
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6·In growing season, the coefficient of variation (CV) in spatial change were 36%, 47% and 35%, respectively.在这三个生长季节中，土壤呼吸速率的空间变异性系数分别为36%、47%和35%。
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7·The process is of easy operation and accurate results with 0.52% coefficient of variation and 99.97% recovery.该法操作简单，测定结果准确。 该法的变异系数为052％，回收率为9997％。
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8·The fruit weight, leaf area, nucleus weight and nucleus rate have larger coefficient of variation and over 20%.其中，果重、叶面积、核重和出核率的变异最大，变异系数均达到20%以上。
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9·Conditional Coefficient of Variation has been often used in understanding the local variability of statistical data.条件变异系数经常被用于理解统计数据的局部变异程度。
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10·In statistics classification, analysis of variance were applied to analyze the coefficient of variation of area of pores.在统计分类法中，采用方差分析法分析管孔的面积变异系数。