Datasheetarchive
Provides searchable database of electronic component datasheets and data books. Allows browsing and includes photographs.
http://Datasheetarchive.com/百度权重：
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收录时间：2025-04-21Livemocha
Online language community. Learn a language and connect with native speakers for instructive help.lp.
http://Livemocha.com/百度权重：
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收录时间：2025-04-23Scau.edu
The school is a key institution for higher agricultural learning. The university now has 14 colleges and departments of physical education and research. English and Chinese.
http://Scau.edu.cn/百度权重：
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收录时间：2025-04-21en.bitcoin
Contains a number of articles about BitCoin wallets, mining, trading, myths and other useful information.
http://en.bitcoin.it/百度权重：
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收录时间：2025-04-28Scielo
Provides free access to scientific journal articles from Brazil, Chile, Cuba, and Spain.
http://Scielo.org/百度权重：
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收录时间：2025-04-21- 百度权重：
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收录时间：2025-04-22 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/百度权重：
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收录时间：2025-04-27Citizensinformation
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：2025-04-26Psychcentral
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：2025-04-25Spc.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：2025-04-26
