The upper order computer system manages lower order computers and processes synthetic information.
上位机系统实现对下位机的管理及对综合信息进行加工、处理。
And software system of upper and lower computer was introduced.
并介绍了其上、下位机的软件系统。
The system consists of the formation channels and upper computer.
该系统由化成通道(下位机)和上位机组成。
The system hardware was composed of upper computer and lower computer.
系统硬件由上位机和下位机两部分组成。
The control system of security interlocking protection consisting of PLC and upper computer is introduced.
介绍了由PLC及上位机组成的安全联锁保护控制系统。
The upper computer, PC microcomputer, was the headquarters of the system.
上位机采用PC机，是系统的指挥中心；
The system hardware is composed of upper and lower computer.
系统硬件由上位机和下位机两部分组成。
The system hardware is composed of upper and lower computer.
系统硬件由上位机和下位机两部分组成。
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