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本文编译自美国《信号》杂志2007年5月号,本刊发表此文,并不表示证实其报道或赞同其观点,仅供有兴趣的读者参考。
This article compiled from the United States “Signal” magazine in May 2007 issue of this publication, this article does not mean that confirm their report or agree with their views, for the benefit of readers reference.