一些球员曾表达过对比赛用球“普天同庆”的不满。看起来的确好像飞过门框的球数多了点(也许是因为门框高度的原因，而不是球本身)。
Some players have complained about it, and it does seem like an inordinate number of shots are sailing over the woodwork (perhaps because of the altitude, not the ball).
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.
研究了用含稀土量不同的球化剂生产单体铸造球铁活塞环时，稀土时石墨球数、石墨球径、碳化物数量的影响；
Effect of RE on nodule number, nodule diameter and carbide quantity is studied with nodulizers of different RE contents.
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