“重污染天气”的概念、定义、翻译、参考文献-科学参考

单词	重污染天气
释义	重污染天气 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	commutative subgroup commutative subspace lattice commutative superalgebra commutative valuation commutativity commutativity condition commutativity relation commutator commutator algebra commutator calculus commutator closed group commutator factor group commutator group commutator ideal commutator identity commutatorless motor commutator operation commutator product commutator quotient group commutator series commutator subgroup commute commuter’s bus and subway discounts commuting commuting elements

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。