“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	general toxicology general transcription factor general transcription factors general transformation general transformation group General Treatise on Causes and Manifestations of All Diseases General Treatises General Treaty between Great Britain and the Arab Tribes of the Persian Gulf General Treaty of Inter-American Arbitration General Treaty of Peace and Amity between the Governments of Costa Rica,Guatemala,Honduras,Nicaragua and Salvador General Treaty on Central American Economic Integration general type general-type algebraic surface general uniformization theorem general unitary group general upper derivative general valency general validity general valuation general valuation theory general variety general ventilation general weed general will general will and the will of all

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