“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	equator of date equator of epoch equator of illumination equator of position Equator Principle Equator Principles equator ring Equatourial Guinea equestrian arena equestrian dressage of Summer Paralympics equestrian events Equestrian Monument of Gattamelata equestrian of Summer Paralympics Equestrian Statue of a Carolingian Ruler Equestrian statue of Msrcus Aurelius equi- equiaffine equiaffine arc length equiaffine connection equiaffine curvature equiaffine geometry equiaffine group equiaffinely homogeneous surface equiaffine mapping equiaffine plane

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