在变换后的球面域上用球谐函数来拟合速度函数，达到降低球谐系数阶数的目的。

Representing velocities by spherical harmonic expansion on the sphere after transformation can greatly reduce the number of spherical harmonic coefficients needed.

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在变换后的球面域上用球谐函数来拟合速度函数，达到降低球谐系数阶数的目的。

Representing velocities by spherical harmonic expansion on the sphere after transformation can greatly reduce the number of spherical harmonic coefficients needed.

youdao