“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	library science library science education in China library science education in Europe library science education in the United States Library science in Germany library science in India library science in Japan library science in Russia library science in Taiwan Region library science in the United States library science paradigm library science quarterly library science technological paradigm library self-service library service library service branding library service consortia Library Service Evaluation library service manifesto Library Service Network of Shanghai library service of government information disclosure library service of teaching reference books Library Services and Technology Act library services assessment library services for children and young adults

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。