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

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也许是椛口上

给学弟学妹一句忠告。一定要看

昨天专升本考试刚结束，我们心如死灰的从考场出来。济南大型机构猜题都猜中了，你黄海猜对一道题了

先说说我的经历吧，因为脸上长痘，有点老火的那种，所以就去了她家买了一套他家的产品，第一套产品的时候她说保证能好。第一套用完了，还是没有什么好转。我就去找她，她说我这个有点老火，要多擦几套，信了她的话，我又买了一套，又擦完了，只能着稍微一点好转，我又去找她，她说她有专门的去痘技术，1个月之内保证能好，用她的仪器和技术去痘，交3000给她，她帮我整好。 出于对她的信任我交了钱，国庆开始我就每天去找她，然而她说

谁要买海尔电器的，可以联系我，价格保证比海尔专卖店便宜，从公司渠道拿货

我看中一套房子，是17层小高层，但是它南边的楼是33层的高层，中间楼间距有80左右。小区西面是山，东面是水。第一张是项目整体，第二张是局部，有红点的地方是我要买的楼。想问一下影响风水吗？