树木在自然景物的构成中占有相当重要的地位。
Trees play a very important role in the natural scenery of landscape.
该文通过建立雾中景物成像的多次散射模型，提出了利用图像模糊度测雾含水量算法，介绍了基于该算法下的全自动雾含水量测试系统的构成。
This paper builds the multiple scattering model of imaging in fog and presents the algorithm of fog water content measure based on images blur degree.
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