这些初级注入加速器（ feeder accelerators ）不能直接（将质子束）注入LHC，因其管道被引导质子的铁磁体所密闭包围（译者注：一般都是用交变的电磁场加速质子）。

These feeder accelerators cannot inject straight into the LHC because their pipes are enclosed in bulky magnets that steer the protons.

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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.

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阐述了中国散裂中子源(CSNS)快循环同步加速器(RCS)注入系统水平涂抹凸轨磁铁样机的设计。

Design of the horizontal paint bump magnet prototype for China Spallation Neutron Source (CSNS) rapid cycling synchronous (RCS) injection was introduced.

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