尊敬的雷老师，经过多日实验，我发现了我称为质速积（mv）的物理量的守恒，我将其记为p。实验装置如下图所示，两个滑块进行相对运动最终碰撞，用光电门记下碰撞前和碰撞后的两滑速度。最终发现，两滑块mv之和前后不变。其中v为矢量。这可以认为是k=1时的运动力守恒，即一般情况下的运动力守恒。@最爱春雷2021

脑中记忆愈发磨损 连带时间疯狂逃离 如抽丝般，正一点不剩地抹除“我” 尽全力想留下曾存在过的痕迹 终究成月，令潮水吞噬滩上一切 四十八时互联网意识体体验 电子带着岁月在YB的数据中迷失 总以为那是光明,不过是更广阔的虚无 再渐渐失去对身体的控制 游离的信息戟碎大脑陷入夢土竟 却并沒有任何变吪 矗╰立原地■壬凭 锟斤拷 时'间推※搡… 锟斤拷？锟斤拷？锟斤拷？锟斤拷？锟斤拷◆屯屯屯烫烫烫烫烫烫烫烫烫◆

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锟届瀿锟斤拷雮傡锟斤拷直锟斤拷锟”、“锟斤拷锟斤拷之锟斤拷锟窖э拷锟

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西安的，大一，想学笛子或者二胡，有哪位同学愿意教？？可以缴费的 少收一点好不好●﹏●本人QQ1079556503 电话 18710738007 拜托啦

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