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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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tea national variety
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tea-picking dance of South Jiangxi
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Tea-picking opera of Eastern Jiangxi Province
Tea-picking opera of Fuzhou City
Tea-picking opera of Southern Jiangxi Province
Tea-picking opera of the southern Guangxi Zhuang Autonomous Region
Tea-picking opera of Western Jiangxi Province
tea-picking song-dance
tea pinching-brewing
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更新时间：2025/11/26 0:54:59