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Open Access Library (OALib)
Open Access Library (www.oalib.com) is an academic search engine and publisher. You can download research papers for free and submit your paper to it. It is a shared academic database.
www.oalib.com - 2023-05-03 - 收藏
Directory of Open Access Journals
DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.
www.doaj.org - 2023-05-03 - 收藏
Hubble Home
Embark on a journey of discovery with the Hubble Space Telescope.
www.hubblesite.org - 2023-05-01 - 收藏
Stellarium Astronomy Software
Stellarium is a planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free.
www.stellarium.org - 2023-05-01 - 收藏
SKY-MAP.ORG
Interactive online sky map。
www.wikisky.org - 2023-05-01 - 收藏
Space News From SpaceDaily.Com
Space News from SpaceDaily.Com brings the space industry professional daily news from the frontier, with contract, bid, launch and on-orbit satellite news as it happens.
www.spacedaily.com - 2023-05-01 - 收藏
昆仑万维科技股份有限公司
作为一家全球领先的互联网平台型公司，昆仑万维逐渐在全球范围内形成了语音社交平台StarX、社交信息分发平台Opera、UGC游戏平台Ark Games、竞技娱乐平台闲徕互娱、投资板块等五大业务，市场遍及中国、东南亚、非洲、中东、北美、南美、欧洲等地，为全球互联网用户提供社交、资讯、娱乐等信息化服务。截至2021年6月末，昆仑万维整体月活跃用户近4.5亿，其中九成以上用户来自于海外。昆仑万维于2015年登陆创业板，全球员工数已增至4000多人，集团旗下的业务和子公司已先后拓展至美国、俄罗斯、日本、韩国、印度。
www.kunlun.com - 2023-04-26 - 收藏
江苏汇鸿国际集团股份有限公司
汇鸿集团长期以来致力于全方位的品牌塑造，以“优质、服务、共赢”为核心理念，以“汇鸿 HIGH HOPE”总品牌为统领，培育了众多产品号召力强、市场美誉度高的商品品牌，使其成为业务拓展的旗帜和创造效益的利器。
www.highhope.com - 2023-04-22 - 收藏
Encyclopedia Britannica
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
www.britannica.com - 2023-04-15 - 收藏
博客园
博客园是一个面向开发者的知识分享社区。自创建以来，博客园一直致力并专注于为开发者打造一个纯净的技术交流社区，推动并帮助开发者通过互联网分享知识，从而让更多开发者从中受益。博客园的使命是帮助开发者用代码改变世界。
www.cnblogs.com - 2023-03-27 - 收藏