“useful life”概念、定义、翻译-科学时代

单词	useful life
释义	图书馆、情报与文献学词汇手册 useful life 使用寿命，有效期
随便看	home phoneline networking alliance (HomePNA) HomePlug AV HomePlug AV家用电力线标准 HomePNA (home phoneline networking alliance) home port home port home port home position home production home projection home projector home protector rider home purchase allowance home purchase loan home purchase loan scheme home quality Homer homer home range home range home range home reading department home receiver home record home record

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。