The molecular extinction coefficient is equal to the ratio of the log of the intensity of the incident and emergent light .

分子的消光系数等于入射光和透射光强度对数的比。

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It USES reflection of object, atmosphere extinction coefficient of two laser wavelengths and others key technology to improve the observational distance of laser radar.

利用目标的反射光、两种激光波段的大气消光系数和其它关键技术来提高激光雷达的探测距离。

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The extinction coefficient of the water is the sum of absorption by the water itself, by particles suspended in the water, and especially by dissolved color substances.

湖水的消光系数是湖水本身和水中悬浮颗粒，特别是溶于水中的有色物质的吸收作用的总和。

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