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iridium
释义
iridium
Encyclopedia
理学
铱
释
iridium
铱
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。
Physics
iridium
铱
77Ir
{化}
Astronomy
iridium
缩写:Ir。铱
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
iridium
铱
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unalloyed steel
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