“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	frequency pulling effect frequency pushing frequency-rank distribution frequency representation frequency resolution frequency resolved optical gating frequency-resolved optical gating frequency-resolved optical gating, FROG frequency response frequency response function frequency response function measurement frequency response method frequency response of motor system frequency response plot frequency reuse factor frequency scale frequency scanning antenna frequency selective surfaces frequency selectivity frequency sensitive starter frequency sensitivity frequency shift frequency-shift keying frequency-shift keying, FSK frequency-shift keying modulation and demodulation

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。