反引力的概念最早是由爱因斯坦作为一种附加理论在相对论中提出来的。
The idea of antigravity was originally suggested by Einstein as a kind of add-on to his General Theory of Relativity.
反引力的概念最早是由爱因斯坦作为一种附加理论在相对论中提出来的。
The idea of antigravity was originally suggested by Einstein as a kind of add-on to his General Theory of Relativity.
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