In contrast to many available IR sensors, the new device is AC coupled to prevent activating the sensor from constant light sources such as tungsten bulbs or sunlight.是什么意思_In contrast to many available IR sensors, the new device is AC coupled to prevent activating the sensor from constant light sources such as tungsten bulbs or sunlight.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句