A system that can monitor the track state by means of CCD (Charge Coupled Device) array and infrared LED (Light-Emitting Diode) is designed in the thesis, which named track state dynamic inspection device.是什么意思_A system that can monitor the track state by means of CCD (Charge Coupled Device) array and infrared LED (Light-Emitting Diode) is designed in the thesis, which named track state dynamic inspection device.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句