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红宝石
释义
红宝石
Encyclopedia
工学
激光晶体
释
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红宝石
掺铬(Cr)的氧化铝单晶。
理学
宝石矿物
释
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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
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红宝石{矿}
Astronomy
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红宝石
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
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红宝石
随便看
the Beijing News & the Study of Beijing News
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the Benedictines
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the best age of pregnancy
the best available technical guide
the best evidence rule
the best interests of the children
The Best of Youth
The Best Plays of Contemporary Chinese Opera
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The Best Years of Our Lives
The B. E. Vedeneev All-Russia Research Institute of Hydraulic Engineering
The Bewitching Braid
The Bhabha Atomic Research Centre
the bias of communication time
The Bicycle Thief
The Biennial Exhibition of ISCAEE
The Biennial of Illustration Bratislava
the big bang model
The Big Bang Theory
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