Earth- quake magnitude

• 震级

Earth- quake magnitude的用法和样例：

例句

1. An aftershock of the same magnitude struck the region Sunday.
   星期天，同一地区发生了一次相同震级的余震。
2. Many studies are made on the pattern of earthquake occurrence in space, time and magnitude.
   对地震发生的空间，时间和震级的图像作了许多研究。