理论最小值:经典力学
最新书摘:
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Joyful Physics2016-02-24Equations (7)
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Joyful Physics2016-02-24Equations (7, 8)
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Joyful Physics2016-02-24Equations (6, 7, 8)
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Joyful Physics2016-02-18The potential energy is e vec{ abla} V