According to the data of test, the numeral characteristics of variables are acquired by statistic analysis, and then random Numbers which are as same distribution as the variables are generated.

利用室内测试数据，对随机变量进行统计分析，得到其数字特征，进而得到服从随机变量分布的随机数。

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Based on the structural characteristics of bearing flange, the optimization model is established according to the objective function, design variables and constraints, and make a static analysis.

基于支承法兰盘的结构特征，通过目标函数的建立、设计变量的选取以及约束条件的确定建立了优化设计的有限元模型，并对法兰盘进行了静力分析。

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The principle, dynamic equations of variables and design concept are given. The characteristics of this circuit are presented in this paper.

给出了此电路的工作原理、动态变量方程和设计原则等理论结果，分析了该新型电路拓扑的特点。

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Notice that that typically also defines for me what the internal variables are, what the internal characteristics of the class are going to be.

就放进去是比较好的,我写下了init声明意思就是，当你创建一个实例的时候,这就是你要进行的操作。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you look at a slum, does it have many characteristics of cities in general, but with depressed socioeconomic variables?

FORBES: Physicist Geoffrey West on Solving the Urban Puzzle

Nevertheless, due primarily to the negative impressions many people have about so-called "trailer parks, " the value of a manufactured home is less than a third of a comparable site-built home, even when variables such as neighborhood, structural characteristics and geography are controlled, according to an analysis published in the Journal of Real Estate Research.

WSJ: 'Luxurious' Mobile Homes?