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单词
mean life
释义
mean 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。
Physics
＞原子核物理学＞原子核衰变＞释义
mean life
平均寿命
Mathematics
mean life
平均寿命
Astronomy
mean 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
Stock-breeding Law of the People's Republic of China
stock circulation market statistics
stock dividend
stock dyeing
stock enhancement and sea ranching
stock exchange
Stockey and Zeckhauser model
stock fund
Stockholder's Right
stockholding cooperative farm
Stockholm Academy of Dramatic Arts
Stockholm Bloodbath
Stockholm Convention on Persistent Organic Pollutants
Stockholm International Film Festival
Stockholm International Water Institute
Stockholm Prize in Criminology
Stockholms observatorium
stockholm syndrome
Stockholm University
stock index
stock index futures
stock index futures trading
stock index option
stocking
stocking and ranching species
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更新时间：2025/4/5 14:18:17