The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
Using the standard deviation coefficient as analysis target, the author provides a new probability analysis method, in case the mathematical expectations are different.
提供了一个在数学期望值不相等条件下进行概率分析的新方法，该方法采用所谓标准差系数作为分析指标。
This thesis is to analyze the coefficient of standard deviation of the earnings before interest and tax and the earnings per share.
在销售量为随机变量的时候，本文利用标准差系数来讨论销售量、税息前收益和税后收益的波动程度之间的联系。
It is found that the more the variance explained by the linear model, the smaller the standard deviation of regression coefficient.
拟合方差与回归系数标准偏差存在明显的相关关系。线性模型能解释的方差越大，回归系数标准偏差越小。
The mean sensitivity coefficient and the standard deviation sensitivity coefficient are strongly related and both can be used to identify key contributing random variables.
变量的均值敏感性因子和标准差敏感性因子是高度相关的，都可以用来识别最敏感的随机变量。
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。
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 normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.
正态母体特征值（母体均值、百分位值、百分率、标准差和变异系数等）的检验是工程中常见的问题。
Landscape features of the basin mean little difference between the standard deviation of the value of landscape features smaller basins, inter-month changes in runoff coefficient is more gentle.
景观功能均值相差不大的流域之间，景观功能值标准差较小的流域，月际间径流系数的变化更加平缓。
The modified standard deviation is generally larger than the original one and increases with the correlation coefficient between lognormal interferers and with the number of interferers.
修正后非相关的阴影标准差较相关时变大，而且随着相关系数和干扰源个数的增加而增大。
The modified standard deviation is generally larger than the original one and increases with the correlation coefficient between lognormal interferers and with the number of interferers.
修正后非相关的阴影标准差较相关时变大，而且随着相关系数和干扰源个数的增加而增大。
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