But diffeomorphism invariant theory leaves some problems to be explained, and the meanings of spacetime and physical theory are still in question.
但微
同胚不变
存在需要解释的问题，空时及物的意义仍不明确。
But diffeomorphism invariant theory leaves some problems to be explained, and the meanings of spacetime and physical theory are still in question.
但微同胚不变存在需要解释的问题，空时及物的意义仍不明确。
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