iron-compass 铁南针
In the experiment, the compass detected magnetic fields with a strength between 0.1 gauss, which is less than the Earth's magnetic field, and 200 gauss, which is stronger than a small iron magnet.
在试验中，罗盘探测到的磁场强度范围从低于地球磁场的0.1高斯到高于一小块磁铁的200高斯。
The iron in the ship caused a deviation of the magnetic needle of the compass .
由于船上的铁，导致了罗盘上磁针的偏离。
The iron in the ship caused a deviation of the magnetic needle of the compass.
这块在船上得铁引起罗盘磁针的背离。
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