standard deviation

Relative standard deviation of this method is below 3 % .

方法的相对标准差低于3%。

Application of Maximum Standard Deviation Method in Concrete Test

最大标准差法在混凝土试验中的应用

Research on Standard Deviation and Coefficient of Variation for Concrete Strength

混凝土强度的标准差和变异系数

We use standard deviation to describe the both of stability .

两者稳定度的计算方法都是用标准差来描述的。

Measurement data were mean ± standard deviation for statistical description .

计量资料采用均数±标准差进行统计描述。

Based on the standard deviation method , the optimum model can be selected .

根据标准离差，优选组合出最优模型。

Small Target Detection Within Sea Clutter Based on Amplitude Standard Deviation

基于幅值标准偏差的海杂波背景下小目标检测

If there 's a large standard deviation it would be spread .

如果标准偏差值很大，那么它就比较分散。

A volatile stock would have a high standard deviation .

不稳定的股票会有一个高的标准离差。

Study on Relative Errors of Standard Deviation from Standard Deviation

标准偏差的标准偏差有多大相对误差

Under similar condition , the relative standard deviation is 2.2 % .

相对标准偏差为2.2%。

Sampling Inspection for the Standard Deviation σ on a Normal Population

正态母体均方差σ的抽样检验

Average , minimum , maximum , and standard deviation response time or connection time

平均、最小、最大，以及标准偏差应答时间或者链接时间

Calculation of Detection Limit and Standard Deviation of a Parallel Blank Determination

空白平行测定批内标准差及检测限的计算

The relative standard deviation is less than 3.45 percent .

相对标准偏差不大于3.45%，应用效果令人满意。

Application of Standard Deviation on Experiment of Single Grain Planter

标准差在单粒播种机试验中的应用

The relative standard deviation of the determined result is less than 5 % .

测得结果的相对标准偏差均小于5%。

The results are shown by standard deviation and dispersing points graph .

结果用标准偏差及散点图表示。

The standard deviation and changing coefficient was 0.24 and 8.4 % respectively .

方法标准偏差及变动系数分别为0.24和8.4%。

Mean and standard deviation ( x ± s ) were calculated .

计算每组样本的均值±标准差（x±s），进行成组设计材料的t检验。

The result shows that the maximum relative standard deviation is less than 4 % .

此法已用于天然水样中亚硝酸盐和硝酸盐同时监测，结果表明，最大相对标准偏差不超过4%。

The general data was described by using frequency , percentage , mean and standard deviation .

患者一般资料及量表的分析采用频数、百分数、均数及标准差描述。

Height , weight , growth velocity were evaluated by standard deviation score .

单光子骨密度仪测量桡、尺骨骨密度；标准差记分法评价身高、体重、身高增长速度情况。

Ridge regression estimation of the standard deviation of parameters in pharmacokinetics

药物动力学参数标准差的岭回归估计

A rational use of double coefficient on frequency standard deviation of frequency standard comparator

频标比对器频差倍增系数的合理取用

An Adaptive Method for Speckle Filtering of SAR Image Based on Local Relative Standard Deviation

一种基于相对标准差的SAR图像Speckle滤波方法

Relative standard deviation was < 7 % .

相对标准偏差均低于7%。

Calculation on Batch Standard Deviation and Detection Limit of Five Day 's Empty Parallel Test

五日空白平行试验批内标准偏差及检出限计算

Analysis on how to influence the standard deviation coefficient by utilizing the unit contribution margin

单位毛利对标准差系数影响的分析

This paper also investigates the influence of the sample size on the variation of standard deviation .

探讨了样本大小与测量标准偏差波动的关系。