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