manless meaning in Chinese

没有人的

Control system of manless duty for underground belt conveyor used in coal mine
煤矿井下胶带输送机的无人值守控制系统
With the rapid development of telecommunications industry , manless on duty is becoming a necessary trend in communication power supply supervision
现代电信事业的迅猛发展，使得实现通信机房的无人值守或者少人值守，对通信电源进行计算机管理已成为电信事业发展的必然方向。
In view of the characteristics of manless on duty , this paper studies communication power supply supervision system in systematic analysis and software development
该文主要从系统分析和软件开发的角度，针对无人值守(少人值守)通信电源监控系统的特点，对通信电源集中监控系统作了一些研究。