一款很好的通讯系统，实现了各种功能。和QQ有几分神似。功能很强大。-A very good communication system, to achieve a variety of functions. Somewhat likeness and QQ. The function is very powerful.

全站仪和计算机数据进行通讯的程序 串口通讯 实时数据接口处理-Total Station and computer data communications procedures serial communication interface processing real-time data

中慧GRPS通迅软件，制作水平不错，满足一般操作的需要-Hui GRPS newsletter software, production level is good, meet the needs of the general operation