该如何做笔记呢?
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<h1>第二章 守恒定律</h1> | |
<h3>6 能量</h3> | |
对于具有s个自由度的封闭力学系统,独立的运动几分熟等于2s-1。 | |
$q_t=q_i(t+t_0,C_1,C_2,\cdots,C_{2s-1})$ |