8 某船自澳洲 Sydney [33°51.5' S , 151°13.0' E]採大圈航法駛往巴拿馬 Balboa [08°53.0' S , 079°31.0' W]。若已知
頂點(Vertex)[37°03.5' S , 178°32.3' E],求該大圈航路過赤道之點的經度:
(A) 088°32.3' W
(B) 091°27.7' W
(C) 091°27.7' E
(D) 088°32.3' E
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統計: A(1), B(5), C(3), D(2), E(0) #1233205
統計: A(1), B(5), C(3), D(2), E(0) #1233205