複選題
31.下列何者為天水平座標系統(celestial horizon system of coordinates)之構成要素?
(A)赤緯(declination)
(B)天頂距(zenith distance)
(C)恆星時角(sidereal hour angle)
(D)方位角(azimuth angle)
(E)餘緯(co-latitude)
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統計: A(8), B(28), C(15), D(30), E(9) #3103678
統計: A(8), B(28), C(15), D(30), E(9) #3103678