名词短语
中文翻译：氮的盈亏
同义词：
['nitrogen balance', 'nitrogen cycle', 'nitrogen content']
例句：
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1. The fertilizers used in agriculture have a significant impact on the nitrogen balance of the soil.
农业使用的肥料对土壤的氮平衡有显著影响。
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2. The nitrogen cycle is essential for the growth of plants and animals.
氮循环对于植物和动物的生长至关重要。
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3.The nitrogen content in food can vary greatly depending on the type of plant it was grown from.
食物中的氮含量可以根据其生长的植物类型有很大差异。