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gross production
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gross production
Encyclopedia
理学
总生产量
释
gross production
总生产量
单位时间内单位体积或单位面积上的生产者(绿色植物为主的自养生物)生产的有机物质总量或固定的全部太阳能。
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union of words
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Union progressiste mauritanienne
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Unipolar Hegemony
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