good to know! thanks! it seemed that we need to

來源: HappyNow?! 2009-12-08 04:56:30 [] [博客] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (111 bytes)
回答: use Chemical Drawtinystar2009-12-07 20:55:29
use special software to design/draw that kind of equations.

please share your findings with us. thanks.
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