“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	target tree management target validation target variable target volume target year of water conservancy planning Targi Targum tariff autonomy tariffication tariff law tariff of motor transportation tariff peaks of agricultural products tariff-rate quotas of agricultural products tariff reduction of agricultural products tariffs of aquatic products Tarikh-i hamidi Tarikul ilaj Tarim, a Uygur literary magazine Tarim coalbed methane basin Tarim He Tarim Oil Exploration campaign Tarim Pendi Tarim pigeon Tarim Plate Tarim Poplus euphraticas National Nature Reserve

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