The Service-evaluating System Based on AT89C series single-chip computer consists of a host, a lot of window evaluating device, and a PC.
基于AT89C系列单片机服务评价系统，由一台评价主控机、多台窗口评价器和一台PC机组成。
PC through Bluetooth to a Bluetooth adapter receives the data sent by the host computer program of the image displayed.
PC机通过蓝牙适配器接收到蓝牙发来的数据，通过上位机程序将图像显示出来。
This system takes the upper and lower machine control mode, which means PC as the host computer and PLC as the lower computer.
本系统采取上下位机的控制模式，工控机做为上位机，PLC作为下位机。
By using VC, the software in host computer is programmed. The information about speed of racecar and the centerline of the racetrack etc., is displayed on PC.
最后通过利用VC软件设计的上位机软件，在PC机上显示了赛车速度、赛道中心线等信息。
By using VC, the software in host computer is programmed. The information about speed of racecar and the centerline of the racetrack etc., is displayed on PC.
最后通过利用VC软件设计的上位机软件，在PC机上显示了赛车速度、赛道中心线等信息。
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