微震计

例句：

1. 1. The seismometer is used to measure the ground's reaction during an earthquake.
   地震仪用于测量地震时地面的反应。
2. 2. The seismometer was designed to detect earthquakesat a distance of up to 50 kilometers.
   地震仪被设计用来在距离达50公里的地方检测地震。
3. 3.The seismometer is crucial for understandingthe Earth's internal structure and predicting future earthquakes.
   地震仪对于理解地球的内部结构和预测未来地震至关重要。