英语词汇rare gases怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	rare gases
释义	rare gases 简明释义稀有气体网络释义 1 ?稀有气体稀有气体(Rare Gases) ：元素周期表最后一族的六种惰性气体中的任何一种气体, 即氦、氖、氩、氪、氙、氡。前五种气体均可以空气分离方法从空气中提取。短语 1 trapped rare gases 捕获稀有气体 2 Rare gases and nitrogen mixtures 稀有气体和氮气混合物 3 Rare gases and oxygen mixtures 稀有气体和氧气混合物双语例句 1 Products: Highly Toxic Gases, High-Purity Gases, Rare Gases and Pyrophoric Gases. 产品：剧毒气体，高纯度气体，稀有气体和自燃气体。 2 Rare gases in different spheres of the earth have different characteristic isotopic ratios. 地球不同圈层的稀有气体同位素具有不同的特征同位素比值。 3 At present the rare gases in the vented gas of the most ammonia plants are not properly utilized in China. 鉴于我国大多数合成氨厂弛放气中稀有气体未能得到综合利用，造成资源浪费的现状。
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