单语范例（未经PONS编辑处理）
One can think of a multistage nuclear demagnetization setup where a magnetic field is switched on and off in a controlled way.
en.wikipedia.org In particular magnetic fields can affect electronic devices such as cell phones or computers.
en.wikipedia.org This seemed very promising for solving the magnetic monopole problem.
en.wikipedia.org The temperature thus falls as a result of this process of thermal energy being converted into magnetic energy.
en.wikipedia.org The currents in the rotor windings in turn create magnetic fields in the rotor that react against the stator field.
en.wikipedia.org