amsl above mean sea level 中文意思是什麼
amsl above mean sea level
解釋
高於平均海平面-
The helicopter took the route across lantau island ( highest point 3, 066 feet above mean sea level ( amsl ) ) via tung chung pass ( approximately 1, 100 feet amsl )
該直升機經由東涌飛行通道(高出平均海平面約1 , 100尺)飛越大嶼山(最高點高出平均海平面3 , 066尺) 。
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