fuzzy mean lifetime 模糊平均寿命
mean neutron lifetime 中子平均寿命 ; 平均中子寿命
mean residual lifetime 平均余命时间
mean free lifetime 平均自由寿命
It isinvolve following several aspects:1: Relations between of ESR signal intensity and exposure dose.2: ESR signal stability after exposure,3: Parameter choice for measuring ESR signal.4: Mean lifetime of ESR paramagnetic center.5: Exposure dose saturated situation of ESR paramagnetic enter.
3、ESR信号测量参数的选择。 4、ESR顺磁中心的平均寿命。
参考来源 - 方解石脉ESR信号特征的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Generally, its mean lifetime is about 2000 hours.
一般来看，它的平均寿命为2000个小时左右。
An elementary particle in the lepton family (not a meson), having a mass209 times that of the electron, a negative electric charge, and a mean lifetime of2.2? 0-6 second.
介子轻子族中的一种基本微粒(非介子)，其质量为电子的209倍，是一种负电荷，平均寿命为2。
The relationship between positron mean lifetime and grain size, based on two state trapping model, has been developed, and the saturation trapping at grain boundaries has been predicated.
从两态捕获模型出发，导出了正电子平均寿命与晶粒大小之间的关系，并且预言了晶界正电子饱和捕获效应的存在。
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