呃(?д?; )，好吧，谢谢啦，看来不好懂
已经改成科普大学跟澡堂的区别了

【 在 gaugephoenix 的大作中提到: 】
: https://en.wikipedia.org/wiki/Noether%27s_theorem#:~:text=Noether's%20theorem%20or%20Noether's%20first,has%20a%20corresponding%20conservation%20law.&text=In%20particular%2C%20dissipative%20systems%20with,have%20a%20corresponding%20conservation%20law.
: Noether's theorem or Noether's first theorem states that every differentiablesymmetry of the actionof a physical system with conservative forces has a corresponding conservation law.
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