同比增长了74.4%。,)(成成)(功功)(加加)(速速)(第第)(一一)(束束)(电电)(子子)(束束)(。)(高高)(能能)(同同)(步步)(辐辐)(射射)(光光)(源源)(从从)(此此)(进进)(入入)(科科)(研研)(设设)(备备)(安安)(装装)(、、)(调调)(束束)(并并)(行行)(阶阶)(段段)(。,)(标标)(志志)(着着)(HH)(EE)(PP)(SS)(储储)(存存)(环环)(主主)(体体)(设设)(备备)(安安)(装装)(闭闭)(环环)(。