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单词
hydrogen
释义
hydrogen
Encyclopedia
工学
氢气
释
hydrogen
氢气
氢元素标准状况下以气态形式存在的物质。
理学
氢
释
hydrogen
氢
化学元素。元素符号H,原子序数1,原子量1.008,属周期系ⅠA族。
Physics
hydrogen
H
氢原子
Astronomy
hydrogen
缩写:H。氢
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
hydrogen
氢
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