24.當六分儀之指標指於0° 00.0'時,由望遠鏡看到之影像,左邊水平線高於右邊,假設已消除邊差, 則下列何者正確?
(A)IC>0
(B)IC<0
(C)IE on the arc
(D)IE>0
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統計: A(43), B(8), C(10), D(0), E(0) #1206370
統計: A(43), B(8), C(10), D(0), E(0) #1206370