magnetic inversion

例句：

1. 1. The magnetic field is responsiblefor the movement of charged particles.
   磁场负责带电粒子的运动。
2. 2. During a geomagneticinversion, the Earth's magneticfield reverses direction.
   在地磁倒转期间，地球的磁场方向会逆转。
3. 3. The discovery of this phenomenon has ledto new insights into the workings ofthe universe.
   这一现象的发现为理解宇宙的工作原理提供了新的见解。