Only on rare occasions do the thermodynamics work; the fluid motions and the magnetic field all evolve in a compatible manner, so the new dipole polarity can diffuse in and establish a reversed magnetic field.是什么意思_Only on rare occasions do the thermodynamics work; the fluid motions and the magnetic field all evolve in a compatible manner, so the new dipole polarity can diffuse in and establish a reversed magnetic field.在线翻译_英语_读音_用法_例句