Earthquake precurso r

• 地震前兆

Earthquake precurso r的用法和样例：

例句

1. The method to optimize observatory distribution is very important to direct the optimization of earthquake precursory observatories.
   文中所用的优化方法对于指导地震前兆观测台站的优化具有一定意义。
2. The interference factors of crustal deformation data are varied, therefore, it is difficult to distinguish between earthquake precursors and disturbances.
   摘要地形变观测资料中干扰因素较多，而地震前兆与干扰往往不易区分。