“平均寿命--平均使用年限”概念、定义、翻译-科学时代

单词	平均寿命--平均使用年限
释义	会计与审计词汇手册 average life 平均寿命，平均使用年限
随便看	selection selection selection selection selection selection selection selection selection selectional feature selection and placement test selection bias selection bias selection breeding selection by failure selection coefficient selection criterion selection cutting selection decision selection differential selection effect selection effect selection examination selection index selection integrated evaluation

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。

average life