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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
health literacy
health locus of control theory
health maintenance
health maintenance based on different TCM constitution types
health maintenance based on meridian theory
health maintenance by playing chess
health maintenance cream
health maintenance in autumn
health maintenance in entertainment
health maintenance in four properties
health maintenance in four seasons
health maintenance in mind and spirit
health maintenance in morality
health maintenance in music
health maintenance in sexual intercourse
health maintenance in spring
health maintenance in summer
health maintenance in winter
health maintenance of traditional Chinese medicine
health maintenance organization
health maintenance through Hilum Therapy
health maintenance with acupoint sticking
health maintenance with bath
health maintenance with herbs
health maintenance with moxibustion
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