“空气洁净度等级”的概念、定义、翻译、参考文献-科学参考

单词	空气洁净度等级
释义	空气洁净度等级 Encyclopedia 工学食品工厂设计释 classification of air cleanliness空气洁净度等级单位体积洁净空间的空气中，按关注粒径的粒子最大浓度限值进行划分的等级标准。
随便看	discrete time signal discrete-time signal discrete-time source discrete time system discrete-time system discrete topological space discrete topology discrete transformation discrete transformer discrete trial teaching Discrete Two-Stage Theory discrete uniform distribution discrete uniformity discrete union discrete valuation discrete valuation ring discrete variable discrete-variable function discrete-variable method discrete variable representation discrete vibration system discrete wavelet transform discrete wavelet transform，DWT discrete wreath product discretion

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。