“severe air pollution”的概念、定义、翻译、参考文献-科学参考

单词	severe air pollution
释义	severe air pollution Encyclopedia 管理学环境风险应急管理释 severe air pollution重污染天气中国环境空气质量指数（AQI）大于或等于201的污染天气现象。又称大气重污染。
随便看	special graph algorithm special graphs special group special hematological test Special Higher Police special homology manifold special housing special hunting license special impressions and marks examination special income special information science special information user special inspection special inspection for poverty alleviation special instrument for engineering survey special intelligence briefing Special Interest Group on Computer-Human Interaction Special Interest Group on the Lexicon（简称SIGLEX） special interests and general interests special interest tourism special investigation project special investigative techniques special isoperimetric problem special issue special issue of a periodical

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。