The average size is 3,131 square feet, with a standard deviation of 655 square feet. (Standard deviation is a statistical measure of variance.)
平均大小为 3,131平方英尺，标准偏差为 655 平方英尺（标准偏差是一个描述差异的统计量度）。
Or maybe I should say total square deviation instead. What do I mean by this?
或者我应该说,误差的平方和，这是什么意思？
The standard deviation is the square root of the variance.
标准差是方差的平方根。
Based on discrete random vibration theory, recursive square equations to calculate the mean and standard deviation of response are developed.
在此基础上采用随机振动的离散分析理论，推导出结构响应均值和方差的递推式。
Methods Valid chlorine content measurement method and statistical methods such as standard deviation, and square and root etc in "Technical standard For Disinfection" (2002 version) was adopted.
方法采用《消毒技术规范》(2002年版)有效氯含量测定方法以及标准偏差、方和根等统计学方法。
Besides a comparison of the characteristic line, the normalized mean square root error, the normalized mean error, and the maximum deviation are calculated and discussed.
除了用单行数值比较法外，还计算了重组和数学模型之间的归一化均方根偏差、归一化平均偏差和最大偏差。
However we want to get the least absolute value of frequency deviation not the least square sum of it.
但是实际需要的是使频率偏差的绝对值最小而不是频率偏差的平方和最小。
The paper simply reviews the application of quantification method in accident loss statistics, and proposes the method of mean square deviation analysis to determine the weight coefficient of simples.
简要介绍了事故损失统计中一些量化方法的应用，同时提出用方差分析来确定加权系数的取舍。
It proves that it is superior to use the "deviation input" to the "absolute-value input" and better to use time circuit with variable time constant than to use square circuit.
为全面实现以上原则通过理论分析指出采用偏差输入将优于采用绝对值输入；采用时间常数可变的时限电路将优于采用平方电路。
In this paper two reasons-the deviation of the data from the origin and the size of the data-causing the ill-conditioned normal equations in the least square fitting of a polynomial are discussed.
讨论了最小二乘多项式拟合中引起正规方程组病态的两个重要原因：节点对原点的偏离程度和节点坐标的数量级。
A simple iterative method for superimposing sets of NMR derived structures and calculation of the root mean square deviation (RMSD) of the sets is described.
一个简单的迭代法叠加套核磁共振结构和计算得出的均方根误差(均方根偏差)的集描述。
The analysis to the mean square deviation showed us the conclusion, that the prediction accuracy of WSVM was better than the ANN and traditional SVM models.
对结果均方差的分析显示，加权支持向量机的预测精度优于人工神经网络和标准支持向量机模型。
Based on the uncertainty and inaccuracy characteristics, runoff series could be divided into different states via mean square deviation method of data series.
基于径流过程不确定性、不精确性的特点，利用资料系列的均方差方法把径流序列分为不同的状态。
Scatter diagrams and the statistical criteria of relative error and mean square deviation were used to evaluate this model.
通过散点图以及相对误差、均方差两种统计学指标对该模型进行评价。
Deviation square method was applied in sharing reservoirs compensation benefits.
基于离差平方法的水库补偿效益分摊方法研究。
The positive square root of the variance is called the standard deviation.
方差的正的平方根叫做标准差。
A major problem in using degenerative images is the low spatial resolution. In order to overcome that problem, an image fusion method based on the normalized square deviation is proposed.
针对退化图像空间分辨率较低的问题，提出了一种基于归一化方差的多分辨率图像融合方法。
The simulation on PC shows that the algorithm can find the critical nodes in topology, and the mean square deviation can evaluate accurately the survivability for a given connected topology.
计算机仿真结果表明，利用该模型算法可以发现拓扑图中关键节点，同时度量值均方差可以准确评估给定连通网络拓扑图的抗毁性能。
This study divides Xingyi bantom into three groups(A, B, C) according to tibia length of 30 days, then do square (deviation) and correlation analysis on weight and tibia length.
依据30日龄胫长，将贵州兴义矮脚鸡分为A、B、C三组，分别对其各日龄体重和胫长进行方差和相关分析。
Introduces the principle of Variance addition and sets forth the related problems on calculating the mean-square deviation in practical application.
介绍方差相加原理，阐述均方差计算在实际应用中的有关问题。
It revealed that the product of the standard deviation of the estimated sampling variance and square root of the number of samples was a constant.
实验也证明，取样方差估计值的标准偏差与样本数目的平方根之积可近似为一常数。
The main inputs of the ANN are the key process parameters and the output is the mean square deviation of the radial spinning forces.
神经网络的输入为主要的旋压工艺参数，输出为三旋轮径向力的均方差。
The GDOP of this system relates to baseline of formation-structure and mean square deviation of time measure.
分析表明该天基导航系统的几何参数精度因子受时间测量误差均方差和基线长度变化影响较大。
Cpm is an overall capability index defined as the ratio of the specification spread (USL - LSL) to the square root of the mean squared deviation from the target.
Cpm是一个总体的能力指数，定义了均值偏离目标值的均方差的平方根和规范宽度的之间的比值。
The method assumes that the corresponding mean-square deviation of optical intensity is minimum when the fitting values are most close to the measured values.
该方法假定当拟合值与测量值最接近时，对应光强的均方差最小。
Note: Uncertainty in table is showed by the square minus of the standard deviation from laboratory average data and sample unhomogeneity.
注：表中不确定度以定值标准偏差和样品的不均匀方差表示。
The non-homogeneous metal flow during the extrusion forming process was well controlled by introducing a non-equilibrium parameter of metal flow, the mean-square deviation of velocity (SDV).
通过引进一个反映金属流速不均衡性的参数———流速均方差，有效地控制型材挤压成形时金属流动的不均匀性。
The researcher used SPSS to analyze the data as soon as they were collected. During the process of analysis, description of mean and standard deviation, the ANOVA, and the Chi-square tests were used.
数据在收集之后，研究者使用社会统计软件包对其进行分析，先后使用平均值、平均差、方差分析和卡方差分析等方法。
According to the condition of convergence on the Mean-Square Deviation, the algorithm decreases its order as iteration goes on.
该算法根据均方偏差的收敛条件，在迭代过程中不断减小投影阶数。
According to the condition of convergence on the Mean-Square Deviation, the algorithm decreases its order as iteration goes on.
该算法根据均方偏差的收敛条件，在迭代过程中不断减小投影阶数。
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