great circle route的用法和樣例：
例句
- This lack of maritime surveillance and disaster preparedness is not unique to the great circle route, but the nasty local conditions are.
對海運監督的缺失和對海難準備工作的不足，對大圓航線來說並不少見，糟糕的當地情況亦是如此。 - The archipelago is a hazardous traffic median in the great circle route, the shortest path between ports on either side of the North Pacific.
多島海域是大圓航線上極具危險的運輸中樞，也是連接北太平洋各端港口的最短通道。
