§09-1.机械振动 – 求师得教育实验室

§09-1.机械振动

$\S$ 9_1.机械振动 $F_x=ma_x=-m\omega^2x$ 1、简谐振动弹簧振子、单摆，竖直放 … 继续阅读 §09-1.机械振动

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