The model is continued by imposing a polar coordinate system on the moving reference frame.

通过把极坐标系作为该运动参照系而继续对模式进行积分。

youdao

The model is continued by imposing a polar coordinate system on the moving reference frame.

通过把极坐标系作为该运动参照系而继续对模式进行积分。

youdao