求翻译：系统测试表明：PLC+变频器快速﹑稳定的控制CO2和O2参量的变化。自动门和节能灯工作正常﹑安全。HMI作为人机界面操作站，显示参数量变的动态运行曲线，监控﹑设置操作方便。是什么意思？

System testing: plc, + drive fast, stable control of co2 and o2 parameters change. Automatic doors and energy-saving lamps working properly, safe. hmi as a man-machine interface operating stations, showing the dynamic operating curve of the quantitative parameters, monitor, set up easy to operate.

system testing has shown that: PLC + converter Fast, stable Control CO O 2 and 2-band parametric changes. Automatic doors, and energy-saving lights work, security. As a man-machine interface HMI operating sites display the parameters, and becomes the dynamic curves, monitoring, and set up for easy o

The system test indicated that,PLC+ frequency changer fast ﹑ stable control CO2 and O2 parameter change.Automatic valve and energy conservation lamp work normal ﹑ safe.HMI takes the man-machine contact surface operation station, the demonstration parameter quantitative change dynamic performance dia

System tests have shown that: PLC+ fast, stable control of inverter changes in CO2 and O2 parameter. Automatic doors and energy-saving lamp is functional, safe. HMI Human-machine interface operation, displays the dynamic operation of curve parameter changes, monitor any set is easy to operate.

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