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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  Chemistry.about

  News articles, periodic tables, educational resources, newsletters, and annotated links.

  http://Chemistry.about.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-11-22
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  Omniglot

  Provides an introduction to almost all alphabets and other writing systems, details of hundreds of languages, and a large collection of useful phrases and multilingual texts.

  http://Omniglot.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-11-18
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  Blockchain

  Blockchain.info is a utility site for the e-currency Bitcoin. The site allows you to browse the bitcoin blockchain, view currency statistics and offers a free web based online wallet.

  http://Blockchain.info/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-11-21
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  Cern

  European organization for particle physics research. Includes overview, educational resources, visit booking form and news.

  http://Cern.ch/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-11-21
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  greenwichmeantime

  Complete guide to times in every time zone in the world.

  http://Wwp.greenwichmeantime.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-11-20
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  Allaboutcircuits

  Online book by Tony R. Kuphaldt on dc and ac electric circuits, semiconductor devices, analog and digital circuits.

  http://Allaboutcircuits.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-11-20
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  R-bloggers

  A center for R users to find and read bloggers who write about the statistical programming language, R.

  http://R-bloggers.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-11-16
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  Sona-systems

  Provides online subject pool management. Includes a list of features and customer testimonials.

  http://Sona-systems.com/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-11-21
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  Bitcoinwisdom

  Interactive live charts of the major Bitcoin markets.

  http://Bitcoinwisdom.com/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-11-19
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  kraken

  Mainly a Euro and US Dollar exchange for Bitcoin and Litecoin, but also offers markets for several other cryptocurrencies and fiat currencies.

  http://www.kraken.com/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-11-20