A.水平盤轉(zhuǎn)動,讀數(shù)指標不動;豎盤不動,讀數(shù)指標轉(zhuǎn)動 B.水平盤轉(zhuǎn)動,讀數(shù)指標不動;豎盤轉(zhuǎn)動,讀數(shù)指標不動 C.水平盤不動,讀數(shù)指標隨照準部轉(zhuǎn)動;豎盤隨望遠鏡轉(zhuǎn)動,讀數(shù)指標不動 D.水平盤不動,讀數(shù)指標隨照準部轉(zhuǎn)動;豎盤不動,讀數(shù)指標轉(zhuǎn)動
A.157″ B.-157″ C.0.00076″ D.–0.00076″
A.11帶,66 B.11帶,63 C.19帶,117 D.19帶,111