2014年02月 - 网站数据归档 - 乐信分类目录网

网站数据归档

美国国防部官网
United States Department of Defense (defense.gov)www.defense.gov美国国防部官网
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FBI美国联邦调查局
美国联邦调查局www.fbi.gov
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Central Intelligence Agency
Welcome to the CIA Web Site — Central Intelligence Agency www.cia.gov
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The White House美国白宫
The White House www.whitehouse.gov美国白宫
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U.S. Department of Education
U.S. Department of Education www.ed.gov
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U.S. Department of State
U.S. Department of State Department Of State. The Office of Electronic Information, Bureau of Public Affairs
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Department of Energy美国能源部
Department of Energy www.energy.gov美国能源部
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Welcome to the USGS - U.S. Geological Survey
Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment.
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Exploratorium
San Francisco's Exploratorium is more than a museum, it's a twenty-first-century learning laboratory, an eye-opening, always-changing, playful place to explore and tinker. Dive in and discover what we’re all about.
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Bureau of Reclamation Homepage
Bureau of Reclamation Homepage www.usbr.gov Department of the Interior, Bureau of Reclamation Homepage, Water, Dams, Dam, Projects & Facilities, Hydromet, Agrimet, hydropower
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