a.瞬间的,即刻的instantaneous
瞬时螺旋轴instantaneous screw axis
瞬时心率计instantaneous heart-rate meter
瞬时空间instantaneous space
瞬时幅度instantaneous amplitude【电子】
瞬时可用性instantaneous availability【计】
【计】 瞬时通信instantaneous communication
瞬时判断instantaneous judgment