科学网站目录　/　此网站目录下共收录234个优秀网站

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  Mpg

  Provides information on the society, the Institutes, research, documentation and multimedia. German and English.

  http://Mpg.de/
  百度权重：
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  AlexaRank：0
  收录时间：2025-02-24
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  Aip

  Gateway for news, jobs, and other physics resources. AIP is a STM publisher of research journals, proceedings and other scientific publications. AIP provides services for scientific societies including membership and subscription management.

  http://Aip.org/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-02-24
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  Tutorvista

  Offers online tuition in various advanced areas of mathematics.

  http://Tutorvista.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-02-24
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  Nsf

  Opportunities for research and education funding in all areas of science and engineering.

  http://Nsf.gov/
  百度权重：
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  AlexaRank：0
  收录时间：2025-03-01
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  Psychology.about

  Articles, definitions, and study guides.

  http://Psychology.about.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-03-10
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  Geonames

  A worldwide geographical database with a search function, browsable maps, and downloadable data files available free under a Creative Commons attribution license.

  http://Geonames.org/
  百度权重：
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  AlexaRank：0
  收录时间：2025-03-30
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  Geology

  A website for students, geologists and those who enjoy the earth. Features large collections of US and world country maps, satellite images, geology dictionary, printable time scale, articles about earth science and much more.

  http://Geology.com/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-02-27
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  Repec

  Collaborative volunteer effort to enhance the dissemination of research in economics.

  http://Repec.org/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-03-01
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  Esa

  Resource for European launchers, space science, telecommunications, Earth observation, and manned spaceflight. Updated information on launches, spacecraft in orbit, and events.

  http://Esa.int/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-02-28
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  Coolmath

  An amusement park of mathematics. Puzzles and number problems, fractals, geometry, calculus, algebra, online games, online calculators, and links.

  http://Coolmath.com/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-03-01