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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
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release method of rodenticide bait
release natural enemy in invaded range
release of constriction
release of environmental substance
release on bail for medical treatment
releaser
release sentient beings from suffering
release version
releasing agent
releasing device
relegation for enforcement
relettering
relettering of bound variable
relevance
relevance analysis
relevance feedback
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relevance,originality,impact creative guide
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relevant
relevant background information
relevant commutative algebra
relevant implication
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