“维持需要”的概念、定义、翻译、参考文献-科学参考

单词	维持需要
释义	维持需要 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	urban rail air conditioning system urban rail communication systems urbanrail depot building urban rail environmental monitoring system urban rail passenger information system urban rail power supply system urban rail signalling system urbanrail station building Urban Rail Transit urban rail transit urban rail transit bridge urban rail transit combined sewerage system urban rail transit construction urban rail transit construction planning urban rail transit drainage system urban rail transit electromechanical device urban rail transit engineering urban rail transit facilities urban rail transit feasibility study urban rail transit gauge urban rail transit network planning urban rail transit operation and maintenance Urban rail transit platform urban rail transit regulatory planning Urban Rail Transit Sidings（auxiliary lines）

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。