“unban air pollution concentration”概念、定义、翻译-科学时代

单词	unban air pollution concentration
释义	环境科学与工程词汇手册 unban air pollution concentration 城市空气污染浓度
随便看	period of virescence appreciation period of wave period of wave hindcasting periodogram periodogram periodontics periodontitis periodontium periodontosis period order quantity period parallelogram period performance period per second period per second--period per second (pps) period per second (pps) period play period prevalence period-radius relation period repair period reproduction rate period reproduction rate period shutdown period silhouette period spectrum period-spectrum relation

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。