31.下列何者為航海用測天解算表(sight reduction table;或稱 229 表)之查表引數?
(A)觀測者緯度(L)
(B)觀測者經度(λ)
(C)格林威治時角(GHA)
(D)當地時角(LHA)
(E)赤緯(dec)
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統計: A(20), B(12), C(11), D(18), E(24) #3236384
統計: A(20), B(12), C(11), D(18), E(24) #3236384