Rapidan拉皮丹河[美国弗吉尼亚州北部]rapidadj.短时间发生的；急速的；迅速的；快的；险峻的n.急流；湍滩rapidly fading channels快衰落信道rapid sequence exposure快速连续曝光, 快速序贯曝光rapidly growing species速生种(树木)rapid atrial stimulator快速心房刺激器rapid heating technique快速加热法rapid digital filtering快速数字信息过滤rapid die manufacturing快速模具制造rapid thermal oxidation快速热氧化（RTO）rapidity of circulation流通速度rapid scan spectrometer快速扫描分光仪