3 d problem 三维问题
3 d dirichlet problem 三维dirichlet问题
3-D Dirichlet problem 三维Dirichlet问题
3-d harmonic problem 三维调和问题
3-D diffraction problem 三维绕射问题
3 d elastic contact problem 三维弹性接触问题
Project bend pipe to Inclination Plane and Azimuth Plane, so turn complicate 3-D problem to two 2-D bend problem .
深入了解扶正器工作机理后，将弯曲管柱分别投影到井斜平面和方位平面上计算，从而将三维问题转化为二维问题。
Streamline simulation method was used to solve the saturation equation by decoupling the full 3-d problem into multiple 1-d problems along streamline.
采用流线方法将求解饱和度的三维问题转化为一维问题求解。
No small problem was the distribution of Dolby 3-D glasses by the thousands, with repeated pleas that they eventually be returned, though many were left broken on the floor.
这期间出现了问题：配发出去的几千副杜比3D眼镜，有些督促回收，但也有不少损坏丢弃的。
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