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samarium
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化学元素。元素符号Sm,原子序数62,原子量150.36(2),属周期系ⅢB族,稀土元素,镧系元素。
Astronomy
全称:samarium。缩写:Sm
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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
samarium
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fuzzy classification method
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