“半价层”概念、定义、翻译-科学时代

单词	半价层
释义	机械工程词汇手册 half-value layer 半价层
随便看	information feedback information feedback information field information film information film information filtering information float information flood information flow information flow information flow information flow information flow information flow information flow information flow information flow analysis information flow control information flow control information flow diagram information format information frame information framework information freeway information function

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。

half-value layer