s搜索结果　/　共找到与关键字(词)“s”相关的网站4525个

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  Sciencemag

  International weekly science journal, published by the American Association for the Advancement of Science (AAAS).

  http://Sciencemag.org/
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  收录时间：2025-05-24
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  Scientificamerican

  Monthly magazine of science. Website includes articles from past issues.

  http://Scientificamerican.com/
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  收录时间：2025-05-18
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  Acs

  Primary professional organization for chemists and related occupations.

  http://Acs.org/
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  收录时间：2025-05-14
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  Livescience

  This site explains the latest research on the planet, from human biology to the animal world and the forces of nature.

  http://Livescience.com/
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  收录时间：2025-05-15
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  Jstor

  Scans of print journals, with 10 major math journals (requires subscription).

  http://Jstor.org/
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  收录时间：2025-05-23
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  Autodesk

  Finite element analysis and mechanical event simulation software for virtual prototyping. This was formerly Algor.

  http://Autodesk.com/
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  收录时间：2025-05-15
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  Sciencedirect

  An information source for scientific, technical, and medical research. Subscription required for some sections.

  http://Sciencedirect.com/
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  收录时间：2025-05-15
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  Researchgate

  Social community for researchers, fostering collaboration and knowledge exchange among researchers worldwide.

  http://Researchgate.net/
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  收录时间：2025-05-23
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  Straitstimes

  Provides news updates as well as stories from the daily newspaper. Has also a section hosting news-clips from ST TV.

  http://Straitstimes.com/
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  收录时间：2025-05-20
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  Census

  Includes data for the latest Census of Population and Housing, the U.S. and World Population clocks.

  http://Census.gov/
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  收录时间：2025-05-23