three essential nutrients的意思|示意
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三种必需营养素
three essential nutrients的网络常见释义
养分三要素 ... thin soil 瘠土 three essential nutrients 养分三要素 three phases of soil 土壤三相 ...
three essential nutrients相关例句
Nitrogen is one of the three essential nutrients in the terrestrial ecosystem and is regarded as a main limited factor in the forest ecosystem.
氮是陆地生态系统中三大营养元素之一，在森林生态系统中被视作主要的限制生长因子。