Recently, Fujian Province's first "airway side remote sensing instrument" appeared in Fuzhou. Fuzhou Environmental Protection Bureau invested nearly 2 million yuan to purchase this set of testing equipment, which is currently the most advanced vehicle exhaust gas detection equipment in China. It uses infrared light and ultraviolet light as the detection light source. It takes only one second to measure whether the exhaust gas from the passing car exceeds the standard. At the same time, it can also take the car license plate number and model to determine the identity of the car.
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