“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	Lenard ray Lena River lender of last resort Lend His Wife to a Friend Lend-Lease Act lenetic community Lenfilm lenghten and hitting far Lenghu Zhen Lenglong Ling Leng Mei Lengmiancao Leng Qian Lengshuijiang Shi Lengshuitan Qu length length-and-area principle length contraction length distribution function lengthen lengthening coefficient length functional length-limitation of staple fiber length-mass-time length measurement

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。