磁力记录计

例句：

1. 1. The magnetometer was used to measure the strength of the magnetic field.
   磁力计被用来测量磁场的强度。
2. 2. The magnetometer was used to detect the location of the lost treasure.
   磁力计被用来探测丢失宝藏的位置。
3. 3. The magnetometer was used to study the behavior of iron filings under different conditions.
   磁力计被用来研究在不同条件下铁屑的行为。