speedupn.加速(增速；高速化；追赶；能率促进)speedn.速度；迅速v.加速；急行speed distribution速度分布speed panchro lens快速全色照相镜头speed setting gear转速给定装置speed of operation操作速度speed of detection探测速度speed-increasing提速speed of turn over[经] 周转速度speed control disc速度控制圆盘Speed of run- up助跑速度speed-regulating调速