![](http://paulbourke.net/geometry/butterfly/butterfly2.gif)
what curve is this called?
所有跟帖:
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是butterfly嗎?
-beautifulwind-
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04/20/2012 postreply
16:55:51
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right, smart
-走馬讀人-
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04/20/2012 postreply
16:58:47
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哈哈,這也叫聰明。你也太低估我的智商啦。:)
-beautifulwind-
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04/20/2012 postreply
17:02:54