The Earth is not round: Ellipsoid models.

地球不是圆的：椭圆体模型。

The cell body was round or ellipsoid.

胞体为椭圆形或圆形。

The internal reflection property of ellipsoid is discussed.

本文讨论椭球的内反射性质。

Nuts ellipsoid to cylindrical, ca. 2 mm long, smooth, apex beaked.

坚果椭球形至长圆柱形， 长约2毫米，光滑，顶端具喙。

The third defines how big the object is, it is the radius of an ellipsoid.

第三个定义对象的大小，即椭球半径。