| 释义 |
lines of force
释义
力线：在力场中表示力在不同点的方向的一条线。
例句
1·The magnetic lines of force don't exist , they are defined by scientists.
磁力线并不存在，它是由科学家所定义。
2·A changed particle moves along the lines of force of a magnetic field, spiraling as it goes.
带电粒子沿磁力线运动时就会发生回转。
3·When a charged particle is in a magnetic field, it tends to travel along that field's lines of force , spiralling as it goes.
当一个带电微粒在磁场中时，它会倾向于沿着磁力线螺旋运动。
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