单项选择题
已知到达点纬度j2=06°11'.8N,两地间纬差Dj=14°07'.8N,则起航点纬度j1为()
A.20°19'.6N
B.08°04'.0N
C.07°56'.0S
D.08°04'.0S
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单项选择题
A.20°19'.6N
B.08°04'.0N
C.07°56'.0S
D.08°04'.0S
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