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理学
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yttrium
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化学元素,元素符号Y,原子序数39,原子量88.90584(2),属周期系ⅢB族,稀土元素。
Astronomy
全称:yttrium。缩写:Y
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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
yttrium
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Borel direction
Borel embedding
Borel exceptional value
Borel expansion
Borel field
Borel field of events
Borel field of sets
Borel fixed-point theorem
Borel function
Borel group
Borel hierarchy
Borel integral method
Borel isomorphic space
Borel isomorphism
Borel-Lebesgue theorem
Borelli
Borel limit
Borel matrix
Borel-measurable
Borel measurable function
Borel-measurable function
Borel-measurable mapping
Borel-measurable process
Borel-measurable set
Borel measure
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