摘要: D dacryoscintigraphy泪道闪烁显象术dacryocystography泪道(X线)造影术dark room暗室data accumulation数据积累data acquisition数据采集data display数据显示data processing数据处理data smoothing数据光滑处理，数据平滑data storage数据存贮daughter子体，子核，子系daughter nuclide子体核素dead space死角，死区dead time死时间deblurring修正模糊影象debug排除故障错误，调整decatron十进位计数管decay衰变，蜕变