研究人员认为在尾迹场加速器中不可能这么精准的注入电子，因为加速的过程是微观而且短暂的。
Researchers thought that such precise injection was impossible in a laser wakefield accelerator because the accelerating structure is microscopic and short-lived.
自然粒子加速器特别有趣，因为它们是可以观察到在气体中发生电子雪崩的唯一场所。
Natural particle accelerators are particularly interesting, because they are the only places where electron avalanches in a gas can be observed.
衣阿华州立大学设有一台线性加速器，连往屠宰场，另外还有一间实验室，研究人员可以在其中检查辐照产品。
Iowa State University operates a linear accelerator attached to a slaughterhouse and a lab where researchers can examine the irradiated products.
同时，研究了在加速器停机后真空室内部的剩余辐射剂量场分布及其随时间的衰减规律。
At the same time, the residual radiation field distribution in the vacuum tank and its decay with time were estimated after the machine is shut down.
简要描述了扇聚焦回旋加速器（SFC）中使用谐波场的意义和对谐波电源的要求。
The significance of using a harmonic magnetic field in SFC (Sector Focusing Cyclotron) and the requirements for the harmonic power supplies are described roughly.
在直线加速器加速管的设计中，腔间耦合系数是一个关键参量，它的误差是影响场分布误差的主要因素。
In the design of the linear accelerating structure, the coupling factor between cavities is a crucial parameter. The error of coupling factor accounts for the electric or magnetic field error mainly.
在直线加速器加速管的设计中，腔间耦合系数是一个关键参量，它的误差是影响场分布误差的主要因素。
In the design of the linear accelerating structure, the coupling factor between cavities is a crucial parameter. The error of coupling factor accounts for the electric or magnetic field error mainly.
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