“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	hydrogen corona hydrogen cyanide hydrogen cycle hydrogen-deficient carbon star hydrogen-deficient donor hydrogen-deficient star hydrogen dispenser hydrogen distribution hydrogen economy hydrogen electric generation hydrogen-electric generation hydrogen electrode hydrogen embrittlement hydrogen emission region hydrogen energy hydrogen energy pipeline transportation hydrogen engine hydrogeneration hydrogenerator hydro-generator parts hydrogen evolution reaction hydrogen explosion hydrogen filling station hydrogen flame ionization detector hydrogen flocculus

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。