A latitude line will be obtained by observing a body （）.<br>A:on the prime vertical<br>B:on the celestial horizon<br>C:at lower transit<br>D:on the Greenwich meridian

A latitude line will be obtained by observing a body （）.
A:on the prime vertical
B:on the celestial horizon
C:at lower transit
D:on the Greenwich meridian

出自：海船船员证

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