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518钢铁网
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International Committee of the Red Cross (ICRC) - Home
International Committee of the Red Cross (ICRC) - Comité international de la Croix-Rouge (CICR)...
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Welcome to the website of the Olympic Movement - Olympic.org
Welcome to the website of the Olympic Movement...
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Science/AAAS | Scientific research, news and career information
Science/AAAS | Scientific research, news and career information...
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National Geographic - Inspiring People to Care About the Planet Since 1888
National Geographic provides free maps, photos, videos and daily news stories, as well as articles and features about animals, the environment, cultures, history, world music, and travel....
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Business & Financial News, Breaking US & International News | Reuters.com
Reuters.com brings you the latest news from around the world, covering breaking news in business, politics, entertainment, technology, and more in video and pictures....
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Amazon.com: Online Shopping for Electronics, Apparel, Computers, Books, DVDs & more
Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & personal care, broadband & dsl, gourmet food & just about anything else....
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21ic社区电子工程师的超级网上俱乐部让我们共同进步
21IC中国电子网成立于2000年初,是中国第一家电子技术门户网站,也是目前访问量最大、注册用户最多的电子技术信息网站。21IC的宗旨是向中国电子工程师提供最新电子技术和产品信息、应用设计思路、市场和行业动态、器件资料等工程师所需求的信息,同时也是工程师之间相互交流、学习和表达的友好社区。...
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