This force is not the universal gravity but electromagnetic force.
此引力并非万有引力，而是电磁力。
Joule heat and electromagnetic force coupling physical effect are the main mechanism of these phenomena.
焦耳热和电磁力偶合物理效应是造成这些现象的主要机理。
Joule heat and electromagnetic force coupling physical effect are the main mechanism of these phenomena.
焦耳热和电磁力偶合物理效应是造成这些现象的主要机理。
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