well, this is a 6 degrees of freedom problem..

来源: borisg 于 2022-07-30 18:57:53 [] [博客] [旧帖] [给我悄悄话] 阅读数 : 0 (56 bytes)
本帖于 2022-07-30 18:58:09 时间, 由普通用户 borisg 编辑

but in reality you only have to deal with 2..

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