“sound attenuation”概念、定义、翻译-科学时代

单词	sound attenuation
释义	环境科学与工程词汇手册 sound attenuation 声衰减；消声
随便看	competency dimension competency model competency profile competent authority competent authority competent bed competent discharge competent forestry department competent river competent rock competent velocity competing goods competing interaction competing products competing risk competing values framework competition competition competition competition competition competition competition competition competition

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。