... 中量营养元素养分 secondary element nutrient 微量营养元素养分 trace element nutrient 标明量 declarable grade ...
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trace nutrient element fertilizer [肥料] 痕量元素肥料
The wild benthic Marine algae include rich nutrient and trace element and active substance of biology.
野生底栖海藻含有丰富的营养，尤其是微量元素和生物活性物质。
Deficiency disease a disease caused by deficiency of a particular essential nutrient (such as a MICRONUTRIENT or trace element), usually with a characteristic set of symptoms.
由于缺乏一种特殊的必要营养物质(微量营养素或微量元素)而导致的疾病，通常表现出具有特征性的一系列症状。
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