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selenium
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氧族元素
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selenium
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化学元素,元素符号Se,原子序数34,原子量78.971(8),属周期系ⅥA族。
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selenium
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selenium
缩写:Se。硒
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>无机化学>无机化学基本概念与无机化合物>释义
selenium
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oceanic mixed layer
oceanic nitrogen cycle
oceanic oscillation
oceanic oxic event
oceanic rare earth resource survey
oceanic red beds
oceanic rise
oceanic sounding equipment
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oceanic water mass change
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ocean-land carbon reservoir exchange
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ocean literature
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ocean meteorological hazards
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Ocean modeling and simulation
ocean observation system of magnetic diurnal variation
ocean observation technology
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