名词
中文翻译：外源性有机物质
同义词：
['exogenous organic material', 'exogenous organic substance']
例句：
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1. The study foundthat the amount of exogenous organic matter in the soil was significantly higher than that in the control group.
研究发现，土壤中的外源性有机物质含量显著高于对照组。
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2.Exogenous organic matter is a major source of nutrients for plants.
外源性有机物质是植物的主要养分来源。
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3.The researchers analyzed the composition of exogenous organic matter in the soil and found that it played an important role in nutrient cycling.
研究人员分析了土壤中外源性有机物质的成分，并发现它在养分循环中起着重要作用。