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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。
点击进入 - 2023-02-15 - 收藏
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 readab
点击进入 - 2023-02-15 - 收藏
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.
点击进入 - 2023-02-15 - 收藏