“应急服务业”的概念、定义、翻译、参考文献-科学参考

单词	应急服务业
释义	应急服务业 Encyclopedia 管理学应急服务业释 emergency services sector应急服务业围绕突发事件，提供预防、应急准备、应对和事后恢复等专业服务的行业。包括相对专业的从业人员和软硬件设备与资源。
随便看	positive real function positive real number positive real part positive real system positive recurrent point positive recurrent state positive reinforcement positive relation positive result positive root positive root system positive rotation positive school of criminology positive selection positive self-adjoint operator positive self-regard positive semi-definite positive semi-definite form positive semi definite Hermitian matrix positive semi-definite Hermitian matrix positive semi-definite kernel positive semi definite matrix positive semi-definite matrix positive semi-definite operator positive semi definite quadratic form

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。