In computer network communication, adopted the error- check control methods to reduce the error code frequency of data transmission commonly. The CRC (Cyclic Redundancy Check) method is the best one of them.

• 循环冗余码校验CRC是计算机网络通信中最常采用的数据校验方法之一,CRC方法能够很好地降低数据传输的误码率。