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西班牙语(347)
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1 (21a) Applying Kepler′s Third Law 开放资源 馆员登记
  A series of practical examples of the application of Kepler's Third Law, including orbiting satellites, and the space shuttle. This page forms part of the larger From Stargazers to...
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2 Academica-e 开放资源 机器抓取
  This site provides access to the research output of the institution. The interface is available in Spanish.;...
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3 Acervo Digital del Instituto de Biología de la UNAM 开放资源 机器抓取
  Irekani is a virtual gallery of images representing a sample of the great biodiversity of Mexico. All materials on this site are part of the photographic collections academic staff...
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4 Action Bioscience 开放资源 机器抓取
  This site offers more than 100 peer-reviewed educational articles in the broad areas of biodiversity, environment, genomics, biotechnology, evolution, new frontiers, and biology ed...
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5 Agency for Healthcare Research and Quality (AHRQ) 开放资源 机器抓取
  AHRQ, an agency withing the U.S. Department of Health & Human Services, offers robust data sources of interest to researchers, clinicians, policymakers or consumers. AHRQ supports ...
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6 Agriscape 开放资源 机器抓取
  Agriscape was started in April, 1999 as a directory on agriculture and its surrounding industry. The main goal of the site is to provide information, marketing services and search ...
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7 Agua subterranea en Puerto Rico [Ground water in Puerto Rico] 开放资源 机器抓取
  ...
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8 ALBA,Spain 开放资源 馆员登记
  ALBA is a third generation Synchrotron Light Facility. It is constructed and operated by the CELLS consortium and is co-financed by the Catalan and Spanish governments. It is locat...
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9 An Atlas of The Universe 开放资源 馆员登记
  This web page is designed to give everyone an idea of what our universe actually looks like. There are nine main maps on this web page, each one approximately ten times the scale o...
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10 Annotated Timeline 开放资源 馆员登记
  A timeline of events and figures in astronomy, from 13,000 BC to present. The author includes comments, and also non-astronomy events which put the main timeline into context. This...
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