oblate spheroid

Anyway, this book says the earth is more like an oblate spheroid.

不管怎么说, 该书说地球更像一个扁球体.

A Study of the Shape Difference between the Level Surfaces of the Oblate Spheroid and the Ellipsoid

扁球体水准面与水准椭球面形状差异的研究

Finally, the methods to finding the spheroidal wave functions were also discussed the case when the multiplications of wavenumber and focus length were up to10 for oblate spheroid.

最后并对求解所需之椭圆体波动函数之求法加以研究，并延伸至较高频率之情况，本文提出之方法可求得准确之特徵值。

And also there are two kinds of the trailing edge, concave and oblate spheroid.

气泡的尾部形状也分为两种：凹形和扁球形。

Because of its rapid rotation the planet is an oblate spheroid.

木星因为它的旋转速度很快，因此它的球体呈扁圆状。