單項選擇題

由起航點30°10'N,120°08'E至到達(dá)點10°30'N,145°05'E的緯差與經(jīng)差為()。

A.44°40'N,024°57'E
B.19°40'S,024°57'E
C.19°40'N,024°57'W
D.40°40'S,024°57'W

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