Control the Legend and Data Point display.
控制图例和数据点显示。
Have data when upgrading, LED display screen control and show by controller.
专用控制器则接受数据，缓冲并控制LED显示器，完成数据传输。
The data collection, data display, logical judgement and control are all one system.
数据显示 、逻辑判断和控制于一体。
The data collection, data display, logical judgement and control are all one system.
数据显示 、逻辑判断和控制于一体。
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