earthquake source mechanism

• 震源机制

earthquake source mechanism的用法和样例：

例句

1. The principal compressional stress axis obtaind through focal mechanism solutions show NNE and NW orientations.
   由震源机制解求出的主压应力轴为北北东向和北西向。
2. The earthquake's epicenter and focal-mechanism are consistent with it having occurred as the result of movement on the Longmenshan fault or a tectonically related fault.
   震中和震源机制和龙门山断层或与该断层相关的地质构造运动结果的发生是一致的。