Detecting the density of pollutant gas is one of the important applications of lidar. The minimum detectable concentration is a key index of lidar.

探测大气中污染气体的浓度是激光雷达的一个重要应用方面，最小可探测浓度是衡量一个雷达系统的重要指标。

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Detecting the density of pollutant gas is one of the important applications of lidar. The minimum detectable concentration is a key index of lidar.

探测大气中污染气体的浓度是激光雷达的一个重要应用方面，最小可探测浓度是衡量一个雷达系统的重要指标。

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