国外网站网站目录　/　此网站目录下共收录5289个优秀网站

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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：2025-05-19
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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：2025-05-18
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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：
  PageRank：
  AlexaRank：0
  收录时间：2025-05-20
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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：
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  AlexaRank：0
  收录时间：2025-05-24
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  Bitcoinwisdom

  Interactive live charts of the major Bitcoin markets.

  http://Bitcoinwisdom.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-05-22
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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：
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  AlexaRank：0
  收录时间：2025-05-22
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  Physicsclassroom

  The Physics Classroom serves students, teachers and classrooms with easy-to-understand and ready-to-use lessons, interactive activities, and engaging curriculum.

  http://Physicsclassroom.com/
  百度权重：
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  AlexaRank：0
  收录时间：2025-05-22
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  Nxp

  Manufactures a wide range of IC's for applications such as automotive, communications, and consumer electronics, among others. Formerly Motorola Semiconductor.

  http://Nxp.com/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-05-23
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  Iso

  A non-governmental organization promoting the development of standardization and related activities in the world. Includes code of ethics, structure, strategies and annual reports.

  http://Iso.org/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-05-22
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  Algebra

  Interactive homework problems. Topics include Pre-Algebra, linear Algebra and other college Algebra.

  http://Algebra.com/
  百度权重：
  PageRank：
  AlexaRank：0
  收录时间：2025-05-23