“maintenance requirement”的概念、定义、翻译、参考文献-科学参考

单词	maintenance requirement
释义	maintenance requirement Encyclopedia 农学营养需要释 maintenance requirement维持需要动物在既不生产产品，又不从事劳役的情况下，为保持体重不变和体况正常所需的能量、蛋白质、氨基酸、维生素和矿物质元素等最低需要量。
随便看	population growth model population history population I population increase tendency population information management system population inversion population kurtosis population land population land dispersion analysis population management population map population mathematics population mean Population Mechanical Change population migration population migration theories population model population moment population natural dynamics population of determinism population of labour force population of stars population opportunity window population parameter population persistence

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。