请输入您要查询的字词:
单词
红宝石
释义
红宝石
Encyclopedia
工学
激光晶体
释
ruby
红宝石
掺铬(Cr)的氧化铝单晶。
理学
宝石矿物
释
ruby
红宝石
颜色为中等至深红色调的刚玉族宝石。化学组成为Al2O3。红宝石为世界五大宝石之一,与蓝宝石是世界上公认的两大珍贵彩色宝石品种。红宝石被誉为“爱情之石”,象征着热情似火,爱情的美好、永恒和坚贞。
Physics
ruby
红宝石{矿}
Astronomy
ruby
红宝石
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
ruby
红宝石
随便看
National Nature Reserve for Coral Reef in Xunwen, Guangdong
National Nature Reserve for Dugong in Hepu,Guangxi
National Nature Reserve for Marine Ecology in DazhouIsland,Wanning, Hainan
National Nature Reserve for Marine Ecology in Jiushan Archipelago,Zhejiang
National Nature Reserve for Rare Marine Organisms in Leizhou, Guangdong
National Nature Reserve for Rare Marine Species in Xiamen
National Nature Reserve for Shell Bay and Wetland in Binzhou , Shandong
National Nature Reserve for Snake Island-Laotie Mountain in Liaoning
National Nature Reserve for Submerged Forest Remains in Shenhu Bay, Fujian
National Nature Reserve for Wetland in Jiuduansha,Shanghai
National Nature Reserve for Whooper Swan in Rongcheng, Shandong
National Nature Reserve in Beilun Esturay, Guangxi
National Nature Reserve in Changdao Island,Shandong
National Nature Reserve in Nanji Islands, Zhejiang
National Nature Reserve in Neilingding Island-Futian,Guangdong
National Nature Reserve in Tongguling, Hainan
National Naval Aviation Museum
National Negro Convention
National News Agency
National Newspaper of Radio, Film and television Excellent Manuscript selection
National New Technology Telescope
National Northwest Library
National Northwest Union University
National Nuclear Laboratory
National Nuclear Safety Administration
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/1/2 18:03:04