英语语法分析

An earthquake's point of initial rupture is called its focus or hypocenter.

据我国地震台网的初始破裂点的是所谓的重点或震源。

An earthquake's point of initial ground rupture is called its focus or hypocenter.

对于同样大小的地震，由于震源深度不一样，对地面造成的破坏程度也不一样。

The epicenter of an earthquake is the location directly above the hypocenter on the surface of the earth.

震中地震的位置，直接以上的震源在地球表面。