Gaook国际交友网
Gaook ,一个支持六种语言的全球性社交网站,精准,人性化的人工翻译,实时满足不同地域,不同圈子的社交需求,是人们与外界进行沟通交流的中心枢纽；聚焦全球热门新闻,话题事件,为人们打开了认识世界的窗口,译达全球,沟通无限,分享在gaook。cn.gaook.com
- 2016-01-05 - 收藏
sciencedirect数据库
ScienceDirect is the world\'s leading source for scientific, technical, and medical research. Explore journals, books and articles.www.sciencedirect.com
- 2015-12-19 - 收藏
springer数据库
Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.link.springer.com
- 2015-12-19 - 收藏
splashbase官网
Search & discovery platform for free, do what you want, hi resolution photos & videos from travelcoffeebook, startupstockphotos, littlevisuals, gratisography, getrefe, jaymantri, superfamous, mazwai, unsplash, snapographic, moveast, snapwiresnaps, newoldstock, splitshire, camarama, mmt, lifeofpix, crowthestone, skitterphoto.
- 2015-12-02 - 收藏