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送交者: pgss 于 2013-06-14, 00:58:52:

回答: 葵花籽图案由 whoami 于 2013-06-13, 12:54:41:

http://en.wikipedia.org/wiki/Golden_ratio#Nature

Adolf Zeising, whose main interests were mathematics and philosophy, found the golden ratio expressed in the arrangement of branches along the stems of plants and of veins in leaves.

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