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Idled Atom-Smasher Yielding Data Months After Shutdown The Tevatron Accelerator at the U.S. government's Fermi National Laboratory in suburban Chicago once led the world in studying what happens when subatomic particles are thrown together at nearly
发表于:2018-12-16 / 阅读(72) / 评论(0)
VOA标准英语2011年(十二月)