"This is the hardest story I have ever done because of the altitude and the steepness of the mountains," the U.S. photographer told National Geographic. "At night it was 30 below zero [Fahrenheit]."
“这是我做过的最艰难的题材，因为山脉的海拔和险峻，”这位美国摄影师告诉国家地理，“夜里温度是零下30度（华氏温标）（摄氏温度约为零下34度，译者注）。”
The flat-earth makes the main frequency of the interferogram not at the zero frequency, and can't reflect the change of the topographic altitude.
平地效应使干涉纹图中的主要频率不在零频，不能反映实际地面高程的变化。
The flat-earth makes the main frequency of the interferogram not at the zero frequency, and can't reflect the change of the topographic altitude.
平地效应使干涉纹图中的主要频率不在零频，不能反映实际地面高程的变化。
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