文本处理输出为二进制文件，每个文件大小不超过20m，需要的请下载-Text-processing output is a binary file, each file size of no more than 20m, need to download the

GPS和GSM通信实验,GSM规范]对短消息传输定义了三种控制协议：即二进制协议(块模式)，基于字符的AT命令接口协议(文本模式)和基于字符的十六进制编码二进制传输块接口协议(PDU 模式)。-GPS and GSM communication experiment, GSM standard] for the short message transmission control protocol defines three types: the binary protocol (block m

实现二进制文件与普通的文本文件 之间相互转换，高效易用，数据结构体自己定义(The implementation of binary files and common text files to convert, efficient and easy to use, data structures themselves)