英语翻译摘要：数字抢答器由主体电路与扩展电路组成.优先编码电路、锁存器、译码电路将参赛队的输入信号在显示器上输出；用控制电路和主持人开关启动报警电路,以上两部分组成主体

Question

英语翻译
摘要：数字抢答器由主体电路与扩展电路组成.优先编码电路、锁存器、译码电路将参赛队的输入信号在显示器上输出；用控制电路和主持人开关启动报警电路,以上两部分组成主体电路.通过定时电路和译码电路将秒脉冲产生的信号在显示器上输出实现计时功能,构成扩展电路.经过布线、焊接、调试等工作后数字抢答器成形.
关键字：抢答电路; 定时电路; 报警电路
还有一句 呵呵 《多路智力竞赛抢答器 》

Answer 1

Abstract:by the main circuit of digital vies to answer first device with expansion circuit.Priority coding circuit,latches,decoder circuit will be the team on the monitor input signal output,Using the control circuit and start the alarming circuit switch,host of the above two parts subject circuit.Through the regular circuit and decoder circuit will be second pulse signal output in display timer function realization,expansion circuit.After wiring,welding,commissioning work is forming digital vies to answer first.
Key words:vies to answer first circuit,Timing circuit,Alarm circuit
The multi-channel quizzes responder"