antioxidant trace nutritional element 抗氧化微量营养素
nutritional element contents 营养元素含量
nutritional element absorption 营养元素吸收
theory of nutritional element return 营养元素归还说
nutritional trace element 营养痕量元素
Soil organic matter is one of the most important factors that affect the soil productivity and soil nitrogen is an. essential nutritional element for crop growth.
土壤有机质是影响土地生产力的最重要的因素。 土壤氮素是供应作物生长的最重要的营养元素。
参考来源 - 红壤稻田系统养分循环与C、N转化过程·2,447,543篇论文数据，部分数据来源于NoteExpress
Iron is a nutritional element to both man and plant.
铁是植物和人类共同需求的营养元素。
Phosphorus was not only the essential nutritional element for plants and animals, but also significant factor of environment pollution.
磷不但是动植物必需的营养元素，也是重要的环境污染因子。
The result shows: single dish can' t satisfy the nutritional balance of the diet, the composed dish is better than that, but certain trace element and vitamin are shown not enough or excessive.
结果表明：单个菜肴无法满足膳食营养平衡，组合后的菜谱，虽然情况有所好转，但某些微量元素和维生素仍出现明显不足或过量。
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