每台从机都是由一台AT 89s51单片机组成的小型控制系统，主要进行前端数据采集与控制。
Each slave is a small-scale control system com-posed by AT89S51 and its main function is frontal acquisition and control of datas.
课题最后研制出样机子系统一套，并对前端和检测台进行了单机测试，对整个子系统进行了联机测试。
The subject developes a suit of sample Subsystem instruments ultimately. The author tests the Front-end and Detection Base separately. The online test for the Subsystem is introduced, too.
整个检测子系统主要由数据采集前端、井下检测台和地面检测中心三节点组成。
The Subsystem is composed of Environment Parameter Gathering Front-end, Underground Detection Base, Ground Detection Center.
整个检测子系统主要由数据采集前端、井下检测台和地面检测中心三节点组成。
The Subsystem is composed of Environment Parameter Gathering Front-end, Underground Detection Base, Ground Detection Center.
应用推荐