49. 自澳洲Sydney(33°S, 152°E)航向巴拿馬Balboa(08°N, 080°W),經查表得知緯度08°及33°的緯度漸長比數單位(meridional parts)分別為478.4及2087.0,請計算起迄
點間的恆向線航向(rhumb line course)?
(A)072°
(B)083°
(C)094°
(D)105°
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統計: A(23), B(2), C(9), D(3), E(0) #2502200
統計: A(23), B(2), C(9), D(3), E(0) #2502200