详细释义
Noun:
-
an imaginary line in a field of force; direction of the line at any point is the direction of the force at that point
双语例句
- A farce diagram must be drawn , with each of the three sides of the triangle parallel to the force it represents.
必须画一幅力线图，其中三角形的每一条边都与其表示的力平行。
相关词汇
- field line 场力线
【近义词】
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