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。
Based on discrete random vibration theory, recursive square equations to calculate the mean and standard deviation of response are developed.
用概率积分变换理论，给出了控制过程均值、过程方差的标准化控制图，适用于小批量生产环境下对过程均值、过程方差的有效控制。
A standard control chart based on probability integral transform theory is given, which can be used to control process mean and variance efficiently in the low volume manufacturing.
该方法利用动态规划理论中代价函数的建立过程来充分考虑图像中的灰度、均值、方差、光滑程度和纹理等多种特征，从而使目标检测的结果为最佳。
Using images' features such as gradient, mean, variance, degree of smoothing and texture characteristics to establish cost function may obtain the best results of target detection.
文中首先给出了杂交模式的裂纹尖端奇异单元的刚度矩阵，然后基于随机场的局部平均理论和一阶泰勒展开得到了应力强度因子均值和方差的计算公式。
The stiffness matrix of a hybrid crack-tip singular element is first derived, then by use of first-order Taylor expansion the mean and variance of stress intensity factors are formulated.
对证券市场包括股票市场中的一些经典方法有：均值-方差分析法、APT理论、CAPM模型、B-S期权定价模型等。
Some of classical analytical methods about Security market, including stock market have Mean-Variance analytics, APT theory, CAPM model, B-S options pricing model, etc.
对证券市场包括股票市场中的一些经典方法有：均值-方差分析法、APT理论、CAPM模型、B-S期权定价模型等。
Some of classical analytical methods about Security market, including stock market have Mean-Variance analytics, APT theory, CAPM model, B-S options pricing model, etc.
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