magnetic airborne detection

例句：

1. 1. The magnetized disk is very useful for data storage.
   磁化的磁盘对于数据存储非常有用。
2. 2. The scientist discovered a new type of magnet that could be used for navigation.
   这位科学家发现了一种新型磁铁，可用于导航。
3. 3. The magnetism of the earth affects the movement of objects on the surface.
   地球的磁性影响地表物体的运动。