Millikan oil-drop experiment is one of classical experiments in physics, and it is still essential in modern physics experiments.
密立根油滴实验是物理学的经典实验之一，至今仍是近代物理实验中的必做实验。
Experiments in physics class are the bases, contents, and effective methods in teaching physics.
物理实验是物理教学的重要基础、内容、方法和手段。
Experiments in physics class are the bases, contents, and effective methods in teaching physics.
物理实验是物理教学的重要基础、内容、方法和手段。
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