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The world's online Business to Business marketplace, B2B Marketplace,Find quality Products,Comp……
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华北水利水电大学(North China University of Water Resources and Electric Power)坐落在中华民族的母亲河——黄河之滨的郑州市，是水利……
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The NEC Group globally provides "Solutions for Society" that promote the safety, secu……
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Datasheet search engine for Electronic Components and Semiconductors, integrated circuits, diod……
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evian® natural spring water contains only naturally occurring electrolytes from the French Alps……
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The ACT test is a curriculum-based education and career planning tool for high school students ……
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科研项目申报信息库，国家知识基础设施（National Knowledge Infrastructure，NKI）的概念由世界银行《1998年度世界发展报告》提出。1999年3月，以全面打通……
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