“必需营养素”的概念、定义、翻译、参考文献-科学参考

单词	必需营养素
释义	必需营养素 Encyclopedia 工学营养素释 necessary nutrients必需营养素人体生长发育所必需，但人体内不能合成或合成不足，必须由食物中获取的营养素。
随便看	right resolution right reversibility right reversible semigroup right Riemann integral right ring right R-module right R nodule right R-nodule right rotation rights and interests of overseas Chinese rights and interests of women rights and interests protection of migrant workers rights and obligations rights and power right satellite right screw right secondary element right secondary radical right section right self-injective ring right semi-chain ring right semicontinuous right semi Fredholm operator right semi-Fredholm operator right semihereditary ring

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。