Our globe, however, is not even a perfect oblate spheroid, because mass is distributed unevenly within the planet.
然而，我们的这个星球，也并不是一个完全的扁球面，因为在这个行星上，物质分布不均。
According to the residual Ir flux at this section, it can be estimated that the mass of the impact projectile is 13 billion ton, corresponding to a spheroid with a diameter of 951 m (for a composition of Cl chondrite).
根据黄土剖面B/M界线铱的剩余通量估计撞击体的质量大约为1.3×10~（16）g，相当于直径为951m的球体。
Grossly, the tumor was located in the upper pole of the right kidney and exhibited a 6 cm × 5 cm × 4 cm and well-circumscribed spheroid mass with gray to tan, solid cut surface.
病理检查：大体标本见右肾上极6cm×5cm×4cm类球形肿物，边界清楚，切面实性、灰白色。