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line of force的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
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
line of force的用法和樣例：
例句
- A farce diagram must be drawn , with each of the three sides of the triangle parallel to the force it represents.
必須畫一幅力線圖，其中三角形的每一條邊都與其表示的力平行。
