“average life”的概念、定义、翻译、参考文献-科学参考

单词	average life
释义	average life Encyclopedia 理学原子核释 average life; mean life平均寿命放射性核素所有原子的平均存活时间。对于按指数规律衰变的体系，平均寿命是放射性核素的原子核数目衰减至起始时刻的1/e所需的时间。用符号τ表示。 Astronomy average life平均寿命 Chemistry ＞放射化学与辐射化学＞基础放射化学＞释义 average life; mean life平均寿命
随便看	Housing Act Housing Act of 1949 Housing Act（1930，UK） housing allocation system housing and community planning Housing and Urban Development Act of 1968 housing area quota housing association housing construction housing construction area housing construction industry housing construction management housing difficulty housing discount Housing, Environment, Urban-Rural Construction housing filtering housing for all housing for low-income migrant population housing for replacement housing for the elderly Housing for the Machine Age housing-income ratio housing industrialization housing map housing model

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。