“government procurement of public security system”的概念、定义、翻译、参考文献-科学参考

单词	government procurement of public security system
释义	government procurement of public security system Encyclopedia 法学警务保障释 government procurement of public security system公安政府采购公安机关依据《中华人民共和国政府采购法》，集中采购属于目录以内或限额标准以上的设备、警械、工程和服务等的行为。
随便看	variable rate fertilization variable rate irrigation variable rate sampling variable-ratio schedule variable reaction coordinate transition state theory variable refrigerant volume central air-conditioning system variable region variable reluctance stepping motor variable reluctive transducer variable rules variable selection variable selection for linear regression model variable separation method variable sign variables inspection variable source variable-spacing interferometer variable-spacing interferometry variable specific impulse magnetoplasma rocket variable-speed constant-frequency variable speed control moment gyro variable speed drive variable speed operation variable speed pumped storage variables quality characteristic

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。