?瞬时装置

...stantaneous apparent power in single phase circuit ==> 单相回路视在功率瞬时值 instantaneous assembly ==> 瞬时装置 instantaneous attracted armature relay ==> 瞬动吸铁继电器 ..

?瞬时临界系统

... installed thermal capacity of a reactor 反应堆装置热容量 instantaneous assembly 瞬时装置；瞬时临界系统 instantaneous fusion probability 瞬时聚变概率 ...