“火灾保护对象等级”的概念、定义、翻译、参考文献-科学参考

单词	火灾保护对象等级
释义	火灾保护对象等级 Encyclopedia 工学〔火灾报警与消防连动自动化系统〕释 fire protection level火灾保护对象等级按照保护对象的使用性质、火灾危险性、疏散和扑救难度等因素，对保护对象进行的分级管理。
随便看	exterior differential calculus exterior differential equation exterior differential form exterior differential operator exterior differential system exterior differentiation exterior dimension exterior domain exterior field exterior form exterior gateway protocol exterior gateway protocol, EGP exterior ingress exterior-interior angles exterior inverse problem exteriority exterior measure exterior multiplication exterior natural light exterior normal exterior opposite angles exterior orientation elements exterior penalty function method exterior penalty method exterior point

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。