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农百科网

农百科专注服务三农,分享三农领域农业百科和农业知识,包含农业、畜牧业、种植业、渔业、林业、养猪、养鸭等农业信息。

2023-02-15 - 收藏 点击查看

医学百科网

医学百科网是在线中文医学百科网站,内容涵盖了疾病、症状,检查等医学保健知识,其宗旨是帮助广大医学生、医护人员、患者及时、便捷地获得最为准确、权威的信息。

2023-02-15 - 收藏 点击查看

Best of History Web Sites

Best of History Web Sites aims to provide quick, convenient, and reliable access to the best history-oriented resources online in a wide range of categories and has been designed to benefit history teachers and their students; however, general history enthusiasts will benefit from the site as well. Ranked #1 by Google for history web sites, Best of History Web Sitesd receives upwards of 100,000 visitors per month.

2023-02-15 - 收藏 点击查看

KnowledgeNuts官网

Knowledge Nuts是一个信息网站,秉承着“以最短的时间获得最丰富的知识”,包括差异、事实、误解三大版块,揭开人类存在的事实,事物之间的差异以及世人对事物的误解。Maximum learning with minimum reading! Knowledge Nuts was founded so you can find the information you want. When you want it. Fast.

2023-02-15 - 收藏 点击查看

The Skeptic's Dictionary

Skeptic\'s Dictionary致力于揭露超自然现象、神秘现象、替代医学等伪科学,帮助读者识别生活中各种伪科学与迷信。The Skeptic\'s Dictionary features definitions, arguments, and essays on hundreds of strange beliefs, amusing deceptions, and dangerous delusions. It also features dozens of entries on logical fallacies, cognitive biases, perception, science, and philosophy.

2023-02-15 - 收藏 点击查看

bartleby官网

Bartleby.com专注于经典和一般的参考作品。Reach your academic happy place with access to thousands of textbook solutions written by subject matter experts.

2023-02-15 - 收藏 点击查看

Infoplease官网

Information Please包含在线词典,互联网百科全书,和历书参考。Infoplease is a free, authoritative, and respected reference for Internet users that provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus.

2023-02-15 - 收藏 点击查看

World Book官网

World Book is a leading publisher of nonfiction and mixed-genre children's book series, reference materials, and digital learning platforms. Education is World Book’s commitment and its editorial team is World Book’s strength. Each team member is dedicated to producing accurate and unbiased information by utilizing contemporary technological tools and following traditional practices of editorial excellence. For more than 100 years, World Book has promoted learning for the entire family through a range of products in which complex topics are concisely explained and vividly illustrated. An explicit goal is to help increase both reading fluency and comprehension in young readers. Encyclopedic content is updated continually and accessible 24/7 on a variety of devices. Innovative and readable, World Book will remain a trusted and useful resource at home, in the library, and in the classroom for years to come.

2023-02-15 - 收藏 点击查看

百科全书在线 | Britannica

Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.由私人机构大英百科全书出版社所出版的英语百科全书,被认为是当今世界上最知名、最具权威的百科全书,是英语世界俗称的ABC百科全书之一。

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Semantic Scholar官网

Semantic Scholar 是由微软联合创始人 Paul Allen 所开发的免费学术搜索引擎。你可以在 Semantic Scholar 上搜索到来自学术期刊、学术会议及学术机构的文献。

2023-02-15 - 收藏 点击查看