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niobium
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niobium
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工学
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niobium
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化学元素,元素符号Nb,原子序数41,原子量92.9064,属周期系VB族。
理学
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释
niobium
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化学元素,元素符号Nb,原子序数41,原子量92.90637(2),属周期系ⅤB族。
Physics
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41Nb
{化}
Astronomy
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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
niobium
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General Research of Sound and Temperament
general Riccati equation
general ring
general ring algorithm
general rule on anti-tax avoidance
General Rules for the Work of Archives Offices of Government Agencies
general rules of safety evaluation
general scheme
General Semantics
general semantics
general series
general set theory
general setting
General Sherman Incident
general sinusoid
general situation
general social survey
Generals of Ili
general soil survey
general solution
general source
general space
general specification for military aero-engines
General's Residence in Yili
general statement
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