primary great circle 中文意思是什麼
primary great circle
解釋
基準大圓基準大圓球面坐標-
The ssp is working to improve shipping safety along primary north pacific cargo shipping routes, in particular along the " great circle route " through the aleutian islands / southern bering sea
Ssp的工作將為提高沿北太平洋貨運航線,特別是穿越阿留申群島和白令海的環太平洋航線上的泄漏安全而努力。
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