RC

= Radix Complement,补码，基数补码;

= Reader Code, 阅读器编码;

= Real Circuit, 实电路;

= Receive Common, 共接收;

= Record Check, 记录校对;

= Record Count, 记录计数;

= Regional Center, (电话)分局；区域中心;

= Remote Computing, 远程计算