10. For sight reduction, apart from four planets, how many stars were selected and listed in Nautical Almanac daily pages?
(A) 46 stars
(B) 57 stars
(C) 68 stars
(D) 173 stars

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統計: A(43), B(441), C(97), D(32), E(0) #3209675

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#6319641
航海用恆星57顆+1顆北極星 NNNN...
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