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Aviation accidents from 1908 through the present

古诗文网作为传承经典的网站专注于古诗文服务，致力于让古诗文爱好者更便捷地发表及获取古诗文相关资料。

读者最喜欢的100本PDF英文电子书

Can I rely on the Web Platform features to build my app? An overview of the device integration HTML5 APIs.

分享各種行動工作技巧、雲端生活應用，善用數位工具改變你我的工作效率與生活品質。

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Aeon is a magazine of ideas and culture. We publish in-depth essays, incisive articles, and a mix of original and curated videos — free to all.

MonkeySee is a premier destination website providing free access to a HUGE collection of food, lifestyle, how-to, DIY, advice, and informational videos. Watch. Learn. Do.

Active forums about languages and cultures.

Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.

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Explore the chemical elements through this periodic table

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