c搜索结果　/　共找到与关键字(词)“c”相关的网站3354个

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  Globalsecurity

  GlobalSecurity.org is the leading source of background information and developing news stories in the fields of defense, military technology, techniques & strategies, global conflicts, international politics, space, WMD, homeland security and intelligence

  http://Globalsecurity.org/
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  收录时间：2026-03-22
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  Citizensinformation

  Information on all aspects of public services, including a service locator.

  http://Citizensinformation.ie/
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  收录时间：2026-03-17
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  Psychcentral

  Daily updated news, research and commentary on psychological science, mental disorders, psychiatric medications and technology.

  http://Psychcentral.com/
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  收录时间：2026-03-26
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  Spc.noaa

  Official government site for the prediction of thunderstorms and severe weather in the U.S.

  http://Spc.noaa.gov/
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  收录时间：2026-03-12
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  Webqc

  Online chemistry tools, forums, unit converters, symmetry tables, periodic table and chemical constants.

  http://Webqc.org/
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  收录时间：2026-03-21
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  Convert-me

  Online conversions for many measurement systems.

  http://Convert-me.com/
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  收录时间：2026-03-18
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  Sciencenews

  Weekly magazine offers featured articles from the current issue along with special online-only features. Includes photo collection, archives, email newsletter and Science News for Kids section.

  http://Sciencenews.org/
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  收录时间：2026-03-18
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  Thecalculatorsite

  Includes online conversion and calculation tools. Possible to change the precision of the result.t.

  http://Thecalculatorsite.com/
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  收录时间：2026-03-17
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  Ucar

  UCAR strives to advance the understanding of weather and climate in order to benefit society.

  http://Ucar.edu/
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  收录时间：2026-03-26
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  Chemguide

  Resource for A Level chemistry students.

  http://Chemguide.co.uk/
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  收录时间：2026-03-26