收录时间PageRankBaiduRankSogouRankAlexaRank点入次数点出次数人气指数科技网站大全
springer数据库
Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.link.springer.com
点击进入 - 2015-12-19 - 收藏Engineering Village检索
Engineering Village offers access to 12 engineering literature and patent databases providing coverage from a wide range of trusted engineering sources.www.engineeringvillage.com
点击进入 - 2015-12-19 - 收藏Asgardia官网
Asgardia is the prototype of a free and unrestricted society which holds knowledge, intelligence and science at its core along with the recognition of the ultimate value of each human life.asgardia.space这个项目旨在保护地球免受小行星的毁灭性撞击。从今以后,地球上又多了一个“国家”——“太空国家”。这支团队的领导者是航空国际研究中心的创立者Igor Ashurbeyli,项目旨在利用最先进科学技术创造一个保护全人类的屏障,阻挡来自太空的人为或自然的威胁。
点击进入 - 2016-10-17 - 收藏