multi-polar coordinates 多极坐标 ; 多重极坐标
The displacement solution is constructed by applying the methods of complex function and multi polar coordinates system.
利用复变函数和多极坐标方法构造了问题的位移解。
Scattering of flexural waves by multiple cutouts and dynamic stress concentration in the thin plates were investigated in terms of the complex variable function method and multi-polar coordinates.
采用复变函数法和多极坐标方法，研究了弯曲波对含有多圆孔薄板的散射问题。
This paper puts forward a method of target recognition based on multi-feature integration and polar coordinates transformation.
提出一种基于多特征融合和极坐标变换的目标识别方法。
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