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The first kind of collision has been researched in detail in classical physics, no longer narrate;
第一种碰撞在经典物理中已有详尽研究,不再叙述;
youdao
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The first kind of collision has been researched in detail in classical physics, no longer narrate;
第一种碰撞在经典物理中已有详尽研究,不再叙述;
youdao