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arsenic
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化学元素,元素符号As,原子序数33,原子量74.921595(6),属周期系ⅤA族。
Astronomy
全称:arsenic。缩写:As
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>无机化学>无机化学基本概念与无机化合物>释义
arsenic
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Eritrean People’s Liberation Front
erjian
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Erlang
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