In other words, The Hermiticity of a matrix is invariant under unitary transformations.
换言之，矩
密性在幺正
换下保持
。
化
,
式,量；时系统；量系统；无系In other words, The Hermiticity of a matrix is invariant under unitary transformations.
换言之，矩密性在幺正换下保持。
But diffeomorphism invariant theory leaves some problems to be explained, and the meanings of spacetime and physical theory are still in question.
但微分同胚理论存在需要解释问题，空时及物理理论意义仍明确。
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