说明：  本人把这次课程设计作为培养实践能力的初次练兵，以数字通信中的编码器、译码器及锁存器为核心设计了八路抢答器。
(I regard this as a training curriculum design practical ability of the initial training, and digital communications to the encoder, Decoder and latches at the core design of the Eighth Route Army Responder.)