16位的CRC(循环冗余校验码)，CRC是数据通信领域中最常用的一种差错校验码，其特征是信息字段和校验字段的长度可以任意选定。-16-bit CRC (cyclic redundancy check code), CRC is the data communications of the most commonly used error checking code, which is characterized by the information field and check the len