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。
We have to decide on how long a life of the reactor core we want and by lifetime we mean the time from when we start the reactor to the time that we need to re-fuel.
我们需要决定反应堆核心的一期有多长，寿命，我们指的是，我们开始反应堆的时间到，我们需要换料的时间之间。
Early bouts of joblessness, or starting in a lower-level job with lower pay, can mean lower levels of career attainment and earnings over a lifetime.
刚开始时就失业或从事一些较低级别工作挣微薄薪水，这意味着终生找到好职业与拿高薪的机会减少。
I mean to maximize the lifetime value of our customers.
我的意思是将顾客的终身价值最大化。
Yishou capsule could prolong the mean life span of drosophila melanogaster, the longest lifetime and the mediandeath time.
益寿胶囊可明显延长果蝇的平均寿命、最高寿命和半数死亡时间。
This does not mean that one cannot experience a life shift towards unity in this lifetime.
这并不意味着你无法在此生体验一个走向统一的生活。
That doesn't mean that we should go hungry or not take care of this lifetime at all, but that we should reduce our attachment to affairs that are limited to this lifetime.
这并不是说我们应该挨饿或者漠视生活，而是应该减少那些牵绊今生万事万物的依恋和执着。
That doesn't mean that we should go hungry or not take care of this lifetime at all, but that we should reduce our attachment to affairs that are limited to this lifetime.
这并不是说我们应该挨饿或者漠视生活，而是应该减少那些牵绊今生万事万物的依恋和执着。
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