送交者: xinku 于 2010-03-03, 21:55:40:

回答: There are tons of scientific papers on this. A small fraction is listed here: 由 james_hussein_bond 于 2010-03-03, 20:55:04:

• 一同事提议从格陵兰铺水管到干旱区 (无内容) - 猩猩人类 (0 bytes) 2010-03-03, 22:23:22 (419493)

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