1、

The impact of velocity on the lifetime of unstable particles and physical clocks can be understood from the influence of their motion relative to the local dominant gravity field on the physical processes underlying particle decay and timekeeping of clocks.

不稳定粒子寿命和物理时钟受各自的运动状态影响,也可以分别由粒子衰变和物理时钟依赖的具体物理过程受其相对于局部优势引力场的运动状态的影响来解释。

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2、

There's no rush, though, because most of these elements are so unstable that they can be created only in particle accelerators and don't exist for more than a few minutes.

不过起名字这事儿倒不必着急,因为绝大多数超铀元素非常不稳定,它们只能在粒子加速器中制得,存在时间不超过几分钟。

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3、

Any of three processes of radioactive disintegration in which a Beta particle is spontaneously emitted by an unstable atomic nucleus in order to dissipate excess energy.

某些不稳定原子核为耗散其过剩能量而自发发射一个β粒子的三种放射性衰变过程的统称。

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4、

Type of radioactive disintegration ( see radioactivity) in which some unstable atomic nuclei dissipate excess energy by spontaneously ejecting an alpha particle.

放射性蜕变的一类,某些不稳定原子核自发射出一个α粒子以耗散过剩能量。

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