“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	Roma historic city conservation Romain Gary Romain Weingarten Roman Abramovich Roman alphabet Roman amphitheatre Roman Aqueducts Roman architectural techniques Roma National Gallery of Modern Art Roman calendar Roman Catholicism romance romance- and women-related poetry Romance group Romance in the Rain Roman cement Romance of Bitter Happiness Romance of Extraordinary Swordsmen Romance of Family Yang Romance of Floating Red Leaves Romance of Fu Caiyun and Von Waldersee Romance of Heroes in the Early Tang Dynasty Romance of Hong Xiuquan Romance of Huo Duliang and Two Ladies Romance of Late Sui Dynasty

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