“二重声源”概念、定义、翻译-科学时代

单词	二重声源
释义	环境科学与工程词汇手册二重声源 duplicate source
随便看	mining lease mining locomotive mining loss mining machine mining map mining map mining mechanics mining method mining nuisance mining operation mining panel survey mining progress mining--rapid excavation & mining rate mining raw materials mining region mining regulation mining right mining science mining society mining subsidence observation mining subsidence observation mining theodolite mining theodolite mining tool

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。