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qian tu hu die fu huo zhi mi
Author(s): 
Pages: 12-13
Year: Issue:  8
Journal: Ocean World

Abstract: <正> 每年冬季,由北美往墨西哥迁途的苏门答腊大蝴蝶,在经过暴风骤雨的摧残后,平均每年要死5亿只左右。人们多年来认为已经绝迹灭种的大蝴蝶,是在近一年时光内突然间大批大批出现的。它们为什么会如此神奇般的复活?着实令人困惑不解。
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