external magnetic field

• 外磁场

external magnetic field的用法和样例：

例句

1. Now consider applying an external magnetic field to the hydrogen atom.
   现在考虑加一外磁场于氢原子。
2. In other words, each domain is spontaneously magnetized to saturation even in the absence of any external field.
   换句话说，即使在没有任何外磁场的情况下，每个磁畴也自发地磁化到饱和。
3. When exposed to an external magnetic field, these spinning "bar magnets" attempt to align their axes along the lines of magnetic force.
   当这些自旋的磁铁棒暴露在外部磁场中时，它们就试图将自己的轴线按照磁场力的方向排成直线。