“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	urban bus/trolleybus system urban center system urban centralism urban cluster urban cluster economy Urban Cluster Planning in the Middle Reaches of The Yangtze River urban communication system urban community urban community health service urban competitiveness urban comprehensive carrying capacity urban comprehensive competitiveness urban comprehensive disaster mitigation urban comprehensive passenger transport hub urban comprehensive transport system planning urban concentrated construction area urban conservation urban conservation of Barcelona’s old town urban construction urban construction archives urban construction group of Sun Zhongshan Industrial Planning Research Association urban construction investment urban construction land structure urban construction project archives management urban control network

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。