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红宝石
掺铬（Cr）的氧化铝单晶。
理学
宝石矿物
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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
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joint state-private ownership of whole industry on China
joint stiffness
joint-stock bookstore
Joint Stock Company Railway Research Institute
joint strike
joint sufficiency
joint sufficient estimator
Joint Surveillance and Target Attack Radar System
joint swelling
joint tactical information distribution system
Joint Tactical Radio System
joint test for fire-control system of missile
joint theorem
Joint timber
joint transform correlator
joint travel
joint trial
joint trial at the central level
joint trial by Three Judicial Offices
Joint-up Government
joint variable theorem
joint variation
joint venture for research and development
joint video team,JVT
joint waterproofing
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更新时间：2026/4/22 15:58:14