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gemstones enhancement
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gemstones enhancement
Encyclopedia
工学
矿物加工技术
释
gemstones enhancement
宝石改善
运用某种技术方法和处理工艺,改善宝石的外观(颜色、净度或特殊光学效应)、耐久性或可用性,从而提高宝石美学价值和商品价值的过程(不包括对宝石进行切磨、抛光、雕刻和镶嵌等加工方法)。
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lean oil
lean production
lean strategy
Leap
leap
leap day
leap filament
leapfrog algorithm
leapfrog circuit
leap-frog integration scheme
leapfrog method
leap frog scheme
leap-frog scheme
leapfrog scheme
leap function
leap month
leap second
leap second adjustment
leap year
learnability
learned behavior
learned behaviour
learned helplessness
Learned Men(Remnant of Seven Sages of the Bamboo Grove)
Learned Publishing
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