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yttrium
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yttrium
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理学
钇
释
yttrium
钇
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。
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yttrium
缩写:Y。钇
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
yttrium
钇
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water eutrophication monitoring
water extractor
waterfall
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Waterfall landscape
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