Ship propeller noise can be predicted by non-dimensional analysis of ship model propeller noise.
通过无量纲分析船模螺旋桨噪声可以预报实船的螺旋桨噪声。
It was a less peacocky, non-three-dimensional design that stood out.
这是一种不那么浮夸、不那么立体的设计。
This Paper present a two-dimensional non-linear dynamic cutting model.
建立了金属切削过程的二维颤振数学模型；
This Paper present a two-dimensional non-linear dynamic cutting model.
建立了金属切削过程的二维颤振数学模型；
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