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[单选题]A star is observed a的答案
搜答案
A star is observed at lower transit. The line of position derived from this sight is().
单选题
2022-02-21 19:29
A、on the prime vertical
B、a latitude line
C、a longitude line
D、of no special significance
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正确答案
B
试题解析
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天文航海
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