应用数值分析方法对某汽车排气消声器进行了流场、温度场和声场分析。
The acoustic field, flow field and temperature field inside a muffler are studied by the numerical analyze method.
应用数值分析方法对这一模型求解，得到与实验相符的杂质原子扩散分布；
Zn diffusion profiles calculated from this model with numerical method were in good agreement with the results of experiment.
应用数值分析和计算几何理论，根据船体首部线型特点，建立首柱轮廓线数学模型；
Applying theories of numerical analysis and higher geometry, the corresponding mathematical model of stem line is established according to different stems.
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