Two-dimension groundwater quantity and quality model in the vertical profile is made to carry out the simulation and analysis of nitrate-N pollution of the groundwater in the typical profile.

所建立的地下水垂向剖面的二维水量水质模型，对典型剖面中地下水的硝态氮污染进行了模拟和分析。

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In static security analysis, the principal methods for static N-1 branch outage simulation include DC power method, compensation method and sensitivity analysis method.

在电力系统静态安全分析中，静态N - 1支路开断模拟的主要分析方法有直流潮流法、补偿法以及灵敏度分析法等。

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The transonic turbulent flow around a blunt nosed and short body at large angle of attack was calculated and analysed by using numerical simulation method to solve the full N S equations.

采用数值模拟求解N S方程方法计算与分析了绕大钝头短体外形的跨音速大迎角时的湍流流动。

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