Madsci
Ask-A-Scientist, fun educational activities, and information resources including an online archive of >35,000 answered questions and database of Edible/Inedible experiments.
http://Madsci.org/百度权重：
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收录时间：2024-09-30Fupa
Free Online Games - Play Fupa Games, Puzzles, Dressup, Action, Adventure, sports, Stratagy, Multiplayer, and Fupa World Chat.
http://Fupa.com/百度权重：
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收录时间：2024-10-04Web-japan
nature and climate, region, tradition and culture, economy and industry, school life, and language.
http://Web-japan.org/百度权重：
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收录时间：2024-10-01English-4u
Bietet deutschsprachige und englischsprachige Erklärungen der englischen Grammatik, speziell für Anfänger. Zudem finden sich Grammatik- und Vokabelübungen, Kreuzworträtsel sowie landeskundliche Informationen.
http://English-4u.de/百度权重：
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收录时间：2024-10-04panda
Provides fact sheets, interactive quizzes, photographs, video clips, and teacher's guides.
http://Wwf.panda.org/百度权重：
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收录时间：2024-10-04atari
[PC/PSX/Nintendo/Sega] European producer and publisher, formerly known as Infogrames.
http://www.atari.com/百度权重：
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收录时间：2024-10-02Whitsend
News, schedule, episode guide, fan club, online listening, behind-the-scenes, sound clips, cast profiles, interactive games, online store, and other details.
http://Whitsend.org/百度权重：
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收录时间：2024-09-30Mathplanet
Provides tutorials in pre-algebra, algebra and geometry. Also includes variety of solved math problems in SAT and ACT.
http://Mathplanet.com/百度权重：
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收录时间：2024-10-02Printfreegraphpaper
Online software that produces printable Smith charts for transmission-line complex-impedance plotting, and other types of graph paper.
http://Printfreegraphpaper.com/百度权重：
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收录时间：2024-10-14- 百度权重：
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收录时间：2024-10-03
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