0.4%?

来源: 贫论员 2011-08-15 12:07:10 [] [旧帖] [给我悄悄话] 本文已被阅读: 0 次 (0 bytes)
回答: r/2(R+r)=about 4%o.Please note the tangent line.jinjing2011-08-13 14:27:31

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Yes.Only estimat,we don't know the time,it has relation with the -jinjing- 给 jinjing 发送悄悄话 (0 bytes) () 08/15/2011 postreply 16:33:51

It has relation with the rotation of the Earth. -jinjing- 给 jinjing 发送悄悄话 (0 bytes) () 08/15/2011 postreply 16:50:46

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