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释义
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释
iridium
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化学元素。元素符号Ir,原子序数77,原子量192.217(3),属周期系Ⅷ族,铂系元素。
Astronomy
全称:iridium。缩写:Ir
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Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
iridium
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