A.兩地的緯差 B.兩地的經(jīng)差 C.兩時區(qū)中線經(jīng)度之差 D.測者的經(jīng)度
A.2010(12/5) B.1510(12/5) C.0110(12/5) D.0110(13/5)
A.1208 B.1152 C.1148 D.1204