“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	resource substitute resource supervision resource supervision management resource supply Resource Town resource trading resource use fee resource utility resource utilization resource utilization assessment resource utilization curve resource utilization management resource utilization of blast furnace slag resource utilization of bottom ash Resource Utilization of Rodents resource utilization planning resource value respect respect for fundamental human rights respect for nature Respecting Dao and Cherishing De respecting life and enjoying life respecting the God, noble morality and cautious punishment respectively respect teacher and attach importance to education

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。