于是球体变成为椭球体.In this way the sphere is transformed into an ellipsoid.它绕着质心的椭园运动就几乎看不出来.Its own elliptic motion around it will be almost imperceptible.可以消去地球椭率的影响.It may eliminate the influence of the earth's elliptici...

“椭”的拼音为：tuǒ...

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