https://en.W.org/wiki/Laplace%E2%80%93Runge%E2%80%93Lenz_vectorW是维基百科，nnd
In classical mechanics, the Laplace–Runge–Lenz (LRL) vector is a vector used chiefly to describe the shape and orientation of the orbit of one astronomical body around another, such as a binary star or a planet revolving around a star....
【 在 vinbo 的大作中提到: 】
: 我问了下Lenz vector的物理意义是什么，speaker说他也不知道，岂有此理……
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修改:vinbo FROM 211.161.218.*
FROM 211.161.218.*