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收录时间：2025-06-04Globalsecurity
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/百度权重：
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收录时间：2025-06-05Citizensinformation
Information on all aspects of public services, including a service locator.
http://Citizensinformation.ie/百度权重：
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收录时间：2025-06-06Psychcentral
Daily updated news, research and commentary on psychological science, mental disorders, psychiatric medications and technology.
http://Psychcentral.com/百度权重：
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收录时间：2025-06-04Spc.noaa
Official government site for the prediction of thunderstorms and severe weather in the U.S.
http://Spc.noaa.gov/百度权重：
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收录时间：2025-06-05Webqc
Online chemistry tools, forums, unit converters, symmetry tables, periodic table and chemical constants.
http://Webqc.org/百度权重：
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收录时间：2025-06-06- 百度权重：
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收录时间：2025-06-06 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/百度权重：
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收录时间：2025-06-05Thecalculatorsite
Includes online conversion and calculation tools. Possible to change the precision of the result.t.
http://Thecalculatorsite.com/百度权重：
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收录时间：2025-06-05Ucar
UCAR strives to advance the understanding of weather and climate in order to benefit society.
http://Ucar.edu/百度权重：
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收录时间：2025-06-06
