“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	agricultural crisis in the 1920s and 1930s agricultural culture agricultural damage due to rain agricultural development project agricultural development speed agricultural diesel oil agricultural disaster chain agricultural disasters Agricultural Disasters and Reduction Contermeasures agricultural disaster system agricultural diversification agricultural drought disaster agricultural drought forecast agricultural droughts in China agricultural E-commerce agricultural economic division agricultural economic history of China agricultural economics agricultural economics and management Agricultural Economics and Management Disciplinary Appraisal Panel agricultural economic statistics agricultural economic thought in ancient China agricultural economy agricultural economy in medieval Europe agricultural economy of Africa in modern times

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