Response alternate program communication block 应答交替程序通信块
Modifiable alternate program communication block modified Letter B 可修改更换程序通信块修订乙种换地权益书
According to the design of the system, this thesis defined a protocol for communication and divided the program on mobile into block for user interface, block for wireless communication and block for disposal. 根据系统的设计,定义了一套通信协议,并将移动端程序根据功能划分为图形用户界面、无线数据通信模块、数据处理模块。