Detecting the density of pollutant gas is one of the important applications of lidar.The minimum detectable concentration is a key index of lidar.是什么意思_Detecting the density of pollutant gas is one of the important applications of lidar.The minimum detectable concentration is a key index of lidar.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句