中心的问题，我知道：任何地方都是中心，就像球面上的点，或者圆周上的点。宇宙是一个高维球面。

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy