magnetic field

The Earth's magnetic field deflects charged particles from the solar wind, protecting life on the surface.地球磁场使来自太阳风的带电粒子发生偏转，从而保护了地表生命。

Medical imaging using magnetic resonance relies on the interaction of atomic nuclei with a powerful magnetic field.使用磁共振的医学成像依赖于原子核与强大磁场的相互作用。