“classification of air cleanliness”的概念、定义、翻译、参考文献-科学参考

单词	classification of air cleanliness
释义	classification of air cleanliness 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	geocentric colatitude geocentric conjunction geocentric conjunction in right ascension geocentric constant geocentric coordinate geocentric coordinate system Geocentric Coordinate Time geocentric coordinate time geocentric distance geocentric ephemeris geocentric equatorial coordinate system geocentric gravitational constant geocentric horizon geocentric latitude geocentric longitude geocentric model geocentric orbit geocentric parallax geocentric phenomena geocentric position geocentric radiant geocentric system Geocentric Terrestrial Reference System geocentric terrestrial reference system geocentric velocity

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。