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物理中的因果性-线性因果系统
source link: https://zhuanlan.zhihu.com/p/36463311
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在这个问题下 当极长的回路闭合时，电流从什么时候开始产生？日常怼张工的活动刚刚落下了帷幕，留下一地鸡毛。但其实中文网络上少有讲为什么从波动方程出发可以导致信号传递速度低于光速这件事。那么这里我计划通…
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