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Home | National-Academies.org | Where the Nation Turns for Independent, Expert Advice
描述: The nation turns to the National Academies -- National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council -- for independent, objective advice on issues that affect people's ...
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3.8 / 5.0, 审阅 Sites Like Search
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The professional organization for all historians.
网站评级:
3.9 / 5.0, 语: English
NTIS, an agency of the US Dept of Commerce, provides access to more than 3 million scientific, technical, engineering, and related business information produced by ...
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3.9 / 5.0, 语: English
National membership organization of conservation professionals dedicated to preserving the art and historic artifacts of America's cultural heritage for future ...
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3.8 / 5.0, 语: English
NSC is the leading source for safety and health training, Membership, news and knowledge impacting worker safety, driver safety, First Aid compliance and more
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4.0 / 5.0, 语: English
The USO is a private, nonprofit, non-partisan organization whose mission is to support the troops by providing morale, welfare and recreation-type services to our ...
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4.4 / 5.0, 语: English
America.gov is your interactive portal to meet the people, see the places, and explore the values and ideas that define the character of the United States
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3.8 / 5.0, 语: English
The CMP is authorized to provide support and encouragement to clubs and state associations with emphasis on strong junior programs. These programs will include ...
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3.8 / 5.0, 语: English
Opportunities for research and education funding in all areas of science and engineering.
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4.4 / 5.0, 语: English