CR

= Calling Rate,呼叫率; = Capacitance-Resistance, 阻容; = Card Reader, 卡片输入机，卡片阅读器; = carriage return (FE), 【ASCII】回车符，返回符; = Cathode Ray, 阴极射线; = Change Request, 更改请求; = Check Register, 校验寄存器; = Command Retry, 命令重试