This doesn't take into account atmospheric distortion, refraction through a window, or less than ideal contrast, all of which would lessen the real distance at which it could be discerned.
这还是没有把大气层因素考虑进去的结果，而大气层造成的变形、光线折射以及减弱对比度等因素都会缩短能看清长城的最远距离。
The atmospheric refraction is a main cause to remote sensing image distortion.
大气折射是造成遥感影像像点位移的原因之一。
The atmospheric refraction is a main cause to remote sensing image distortion.
大气折射是造成遥感影像像点位移的原因之一。
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