名词
中文翻译：电场线
同义词：
['electric field line', 'electric field line segment', 'electric field line segment']
例句：
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1. The electrons in the wireare moving along the electric field line.
电线中的电子沿着电场线移动。
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2. The electricfield lines converge at the center of theEarth's magnetic field.
地球磁场中心的电场线汇聚在一起。
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3. The electricfield lines can be usedto calculate the potential difference betweentwo points on a circuit.
电场线可以用来计算电路上两点之间的电势差。