“防护等级”的概念、定义、翻译、参考文献-科学参考

单词	防护等级
释义	防护等级 Encyclopedia 历史学人力防范释 level of Protection防护等级即防护级别，是为保护博物馆、藏品部位、藏品的安全所采取的技防、物防、人防等防范措施的水平。
随便看	real-time warning analysis for fire disaster in civil engineering real trajectory realuminizing real unimodular group real unit real unitary space real valuation real value real-valued form real valued function real-valued function real-valued measurable cardinal real-valued series real variable real variety real vector real vector bundle real vector space real video on demand real video on demand, RVOD real water-saving real world real zero ream drilling method reamer

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。