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氮肥
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氮肥
Encyclopedia
工学
氮肥
释
nitrogen fertilizer
氮肥
含有作物营养元素氮的化肥。
农学
氮肥
释
nitrogen fertilizer
氮肥
具有氮(N)标明量,并提供植物氮素营养的单元肥料。是农业生产中需求量最高的化肥品种。
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extragalactic compact radio sources
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Extragalactic diffuse γ-ray background(DGRB)
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extragalactic infrared astronomy
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extragalactic X-ray source
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