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。

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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。

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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。

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What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.

我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差，因为标准差的平方就等于方差-,这对任何投资组合都是一样的。

耶鲁公开课 - 金融市场课程节选