变异系数，变差系数
According to limit state of reduced safety factor, we can compute critical failure probability and variation coefficient corressponding different most likely safety factors.
根据折减后安全系数的极限状态，可计算出不同最大可能安全系数的临界变异系数和临界破坏概率。
The model uses the variation coefficient as parameter, which reflects eigenvalue difference to represent the weight of evaluation indexes, decreases the subjectivity of weight decision.
该模型采用反映评价指标特征值之间的差异性的参数变异系数作为评价指标的权重，减少了权重确定的主观性。
Suppose that critical value of reduced safety factor is 1.05, critical failure probability and variation coefficient corressponding different most likely safety factors can be calculated.
设折减后安全系数的临界值为1．05，由此计算出不同最大可能安全系数的临界变异系数和临界破坏概率。
Methods:Orthogonal experiment was arranged to screen the optimization formulation of suspending'reagent to variation coefficient in the rate of indicators.
方法：采用正交试验安排试验，以变异系数为指标进行细胞悬浮剂最优配方的筛选。
The research shows that influence of sample variation coefficient on estimated accuracy should be considered.
研究表明，应考虑样本变差系数对估计精度的影响。
The method measuring the ovary weight of tat for detecting the bioactivity of HCG results lower variation coefficient and greater reliability.
美英日三国药典规定使用的大鼠卵巢增重法组内组间变异系数最小，测定结果可靠性最大；
Quantity genetic analysis showed that genetic variation coefficient, performative variation coefficient and hereditary ability of growth properties were greater than physiological properties.
数量遗传分析表明，各生长指标的遗传变异系数、表型变异系数和广义遗传力一般均大于生理指标；
To overcome the shortcomings of the methods to subjectively or objectively determine the weight of indexes, the group eigenvalue method combining with the variation coefficient m.
为解决用主观赋权法和客观赋权法确定指标权重存在的问题，采用群组决策特征根法和变异系数法相结合的方法。
The standard deviation, range, variation coefficient, 95% confidence interval were analyzed, the average values of 3 cycles were compared with those of 5 cycles.
计算各组变异系数、标准差、极差、均数95%可信区间，比较连续3个心动周期与5个心动周期的参数测量值。
This paper first measures interregional disparity in financial capacity by variation coefficient weighted by population.
首先采用以人口为权数的加权变异系数对地区间财力差异进行了度量。
The paper stu***d stable seepage flow rule of overpressure reservoir and created the method for using systematic well testing data to compute permeability variation coefficient.
本文研究了异常高压油藏稳定渗流规律，建立了利用系统试井资料求取渗透率变化系数的方法。
The optimum design example shows that the variation coefficient of load torque acting on cutting head is decreased 13.
优化设计实例表明，截割头的负载转矩变差系数减小了13。
The relationship is derived in this article between the weighted average of length variation coefficient and the distribution function of the cross-section area of fibre bundle.
本文推导了按重量加权的长度变异系数与纤维束截面积分布函数之间的关系。
Results The whole blood controlling product has long term stability, and the value of variation coefficient is less than 5% .
结果全血质控物具有较长的稳定期，且变异系数值小于5%。
Based on the standard deviation and variation coefficient, soil water change in the profile could be divided into four layers by cluster analysis.
基于标准差和变异系数两个指标，采用聚类分析，可将土壤剖面水分垂直变化划分为四个层次：速变层、活跃层、次活跃层和相对稳定层。
The variation coefficient of total nitrogen(17%) was the smallest and more stable.
总氮的变异系数（17%）最小，比较稳定；
It is found that the central design coefficient is a decreasing function of the variation coefficient of vertical consolidation coefficient and is an increasing function of probability of failure.
中心设计系数是竖向固结系数变异系数的减函数，而是失效概率的增函数。
The results show that the test site has a very good homogeneity with a variation coefficient of the reflectance in any channel lower than 3%.
地表反射率和大气光学特性地面同步测量结果显示：敦煌场地的地面均匀性好，各个通道反射率的变化系数（即相对变化百分比）均小于3%。
Based on 5% of statistics there are no apparent relationships between equity capital cost, average capital cost, standard variation coefficient of EBIT and degree of financial leverage.
在5％的统计学水平上，权益资本成本、平均资本成本、息税前收益率的标准离差率和财务杠杆系数四者之间无明显的相关性。
The main factors influencing cycle injection outcome are the permeability variation coefficient and connectivity degree between layers.
影响周期注水效果的主要因素是渗透率变异因数和层间连通程度；
This method has better accuracy, and its variation coefficient is 6.0 %.
该方法有较好的精密度，变动系数为6.0%。
|coefficient of deviation;变异系数，变差系数
变异系数（Coefficient of Variation, CV）是统计学中衡量数据相对离散程度的重要指标。它定义为标准差（σ）与算术平均数（μ）的比值，通常以百分比形式表示。其核心价值在于比较不同单位或量纲数据集的离散程度，或比较均值差异较大数据集的波动性。
计算公式如下： $$ CV = frac{sigma}{mu} times 100% $$ 其中：
核心意义与应用场景：
重要注意事项：
权威参考来源：
“Variation coefficient”（变异系数）是统计学中用于衡量数据离散程度的相对指标，其核心定义和相关信息如下：
变异系数的数学表达式为： $$ CV = frac{sigma}{mu} times 100% $$ 其中：
如需进一步了解具体领域中的应用案例，可参考统计学教材或专业文献。
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