adj.加速的；促進的；催化的
動詞accelerate的現(xiàn)在分詞形式.
Researchers thought that such precise injection was impossible in a laser wakefield accelerator because the accelerating structure is microscopic and short-lived. 研究人員認為在尾跡場加速器中不可能這麼精準的注入電子，因為加速的過程是微觀而且短暫的。
