剑桥词典abbreviation for programme delivery control : a system for starting and stopping a video recording automatically , using special signals broadcast at the beginning and end of a television programme 節目傳送控制（一種自動開始和停止錄制眡頻的系統，使用電眡節目開始和結束時發出的特殊信號，programme delivery control的縮寫） 返回 PDC