Some concepts such as relative rest reference frame, relative uniform motion reference frame, and relative accelerated motion reference frame was confirmed.
确定了相对静止系、相对匀速运动系、相对加速运动系的概念。
Some concepts such as relative rest reference frame, relative uniform motion reference frame, and relative accelerated motion reference frame was confirmed.
确定了相对静止系、相对匀速运动系、相对加速运动系的概念。
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