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agate
释义
agate
Encyclopedia
理学
玛瑙
释
agate
玛瑙
透明至不透明,具有同心层状、环带或条带的隐晶质石英几何体。主要成分为α-SiO2,同时含有少量水以及铁、锌、镍、钴、铬、锰等多种微量元素。
理学
宝石矿物
释
agate
玛瑙
具有同心层状、纹带或条带的隐晶质石英质玉石。
Physics
agate
玛瑙{矿}
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
agate
玛瑙
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European Alliance of News Agencies
European and International Booksellers Federation
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European Association for Lexicography
European Association for Library and Information Education and Research,EUCLID
European Association of Geoscientists and Engineers
European Association of National Metrology Institutes
European Association of Sinological Librarians
European Astronaut Psychological Working Group
European Aviation Safety Agency
European bird cherry
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European Booksellers Federation
European Border and Coast Guard Agency
European broadcasting law and policy
European Broadcasting Union
European Buildings in Haerbin Yiyuan Street No.1
European case Exchange Center
European Center for Medium-term Weather Forecasts
European Centre for Nuclear Research
European Centre for the Development of Vocational Training
European classical garden aesthetic thought
European Collaborative Tokamak Reactor Design
European College of Sport Science
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