These red clay roads are off the beaten path, and trees often meet over the lonely throughways, creating a tunnel of autumn color.
这些红色粘土道路是鲜有人涉足的，树木常常与寂寞的高速公路交叉在一起，这样就创造出一个秋色的隧道。
These remote roads are made of red clay that matches the leaves' hues, and trees often meet over the throughways, creating a tunnel of autumn color.
这些远程道路是由与树叶色调相匹配的红粘土所构成，公路常常到处都可以看到树木，它们创造了一条秋色的隧道。
In the two actual tunnel, we measured and calculated visibility of the small target under the three light source, and made a visual experimental method of the small target color.
在两条实际隧道中对三种光源照明下的小目标可见度进行了实际的测量和计算，并且提出了小目标显色性的视觉实验方法。
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