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gai bian sheng huo de zui ku fa ming
Pages: 62-63
Year: Issue:  7
Journal: Knowledge is Power

Abstract:  每年世界上都会涌现不少很奇特的发明.美国一些科学家会在每年年底聚集在一起,评选出一些即将或者已经改变生活的最酷发明.接下来,让我们慢慢欣赏那些2009年度的一些最酷发明,看看它们怎么让我们的生活越来越舒适.
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