capacity seismometer

例句：

1. 1. The seismometerwas used to measure the earthquake'smagnitude.
   地震仪被用来测量地震的震级。
2. 2. The seismometer recorded thetremors of the ground during thequake.
   地震仪记录了地震期间地面的震动。
3. 3. The seismometer isessential for monitoring earthquake activity in a region.
   地震仪对于监测一个地区的地震活动至关重要。