“non-protein nitrogen feed”的概念、定义、翻译、参考文献-科学参考

单词	non-protein nitrogen feed
释义	non-protein nitrogen feed Encyclopedia 农学〔饲料和饲料添加剂产品〕释 non-protein nitrogen feed非蛋白氮饲料为补充反刍动物瘤胃中微生物繁殖所需氮源，节省真蛋白质资源而在饲料中添加的非蛋白质态含氮化合物（NPN）。
随便看	export subsidies for agricultural products of the WTO export substitute industry export substitution industrialization export supervised warhouse export value exposed exposed beam exposed calcining exposed direction exposed face exposed face of a convex set exposed frame supported glass curtain wall exposed point exposed point of a convex set exposed quantity exposed ray exposed ray of a convex cone exposed terminal Exposition of the Deeper Meaning of the Lotus Sutra expositions on the doctrines of Confucianism expositive teaching expositor-in-waiting exposity exposometer ex post facto design

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