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光速是宇宙速度极限,如果在一艘光速飞船上奔跑,不是超光了吗?那么你在飞船上奔跑的速度到底是多少呢? 先来说说两个速度变换。第一,伽利略变换,是由伽利略最先提出来的。实际上伽利略变换就是我们平时 ...
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