mean deviation

In this paper,we calculate average deviations and give two kinds of estimate of standard deviation for the normal population.

求出了正态分布的平均偏差,并由此给出了正态总体标准差的两种新估计。

Fast fractal image encoding based on mean deviation;

基于平均偏差的快速分形图像编码

Fast fractal image coding algorithm based on mean deviation kick-out condition;

基于平均偏差剔除的快速分形图像编码算法

Based on the mean deviation and project practice,the object function and constraints are presented respectively.

采用数值方法对阵列天线的方向图进行了综合,将平均偏差用于目标函数的构造之中,同时结合工程实际,给出了约束条件。

On the basis of making testing and verifying reports of national standard parameters, the definition method and some experiments data of average value deviation and standard deviation of roughness comparison specimens for plastic parts are discussed, and some problems in testing surface roughness for plastic parts are raised.

在制定国家标准———塑料件表面粗糙度比较样块的参数测试、验证报告基础上，总结了塑料件表面粗糙度比较样块平均值偏差和标准偏差的确定依据，对实验数据进行了分析，指出了塑料件表面粗糙度测量中存在的问题及解决办法。

arithmetical mean deviation of the (roughness) profile

(粗糙度)轮廓的算术平均偏差

The average relative deviation is less than 5%.

计算值与实际测定值吻合较好，总的平均偏差小于5%。

single plane mean outside diameter deviation

单一平面平均外径偏差

single plane mean bore deviation

单一平面平均内径偏差

an extreme deviation from the mean.

与平均数偏差最大的值。

experimental standard deviation of the mean

平均值的实验标准偏差

unbias(s)ed variance

无偏方差, 均方差

the arithmetic mean of the absolute values of deviations from the mean of a distribution.

分布平均数与偏差绝对值的算术平均值。

Diameter Tolerance, Ovality and Average Decarburized Layer Depth

直径公差，偏圆度及脱碳层的平均深度

standard deviation of the arithmetic mean of a series of measurements

测量列算术平均值的标准（偏）差

standard deviation of weighted arithmetic mean

加权算术平均值的标准（偏）差

Cluster-Average Method: Applied in Readjusting the Deviation of Nonresponse;

类平均法在无回答偏差调整中的应用

the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.

接近平均数的二阶矩；平均值随机变量的偏差的平方的期待值。

Days± s. d., those without s. d. indicate that only one plant reached flowering stage.

* 数字为平均±准偏差；若无标准偏差，表示该温度下仅有一植株开花。

The standard deviation from the mean is the preferred quantity.

用平均值得出标准偏差是优先采用衡量的单位。

The results showed that the recovery and relative standard deviation(RSD) of 14C-BHC were 90.0% and 8.0% respectively for the concentrated sulfuric acid cleanup method,and 88.9% and 3.0% respectively for the AOAC official method,Statistical analysis indicated that there was no difference between the two methods.

后者的回收率88.9％、平均相对标准偏差为3.0％。

The average recoveries and RSD of acetaminophen, phenytion sodium,theophylline and coffeine acre 99. 94%, 0. 65%;

它们的平均回收率和相对标准偏差分别为：99．94％，0．65％；

The accelerometer bias errors result in an average constant offset plus an oscillatory component.

加速度计的偏置误差形成一平均的常值偏离加上一振荡分量。