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Encyclopedia
工学
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tantalum
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高熔点化学元素,元素符号为Ta,原子序数73,原子量180.94788,属周期系VB族。
理学
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释
tantalum
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化学元素,元素符号Ta,原子序数73,原子量180.94788(2),属周期系ⅤB族。
Astronomy
全称:tantalum。缩写:Ta
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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
tantalum
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