单项选择题
A.粗平;安置;照准;调焦;精平;读数B.消除视差;安置;粗平;照准;精平;调焦;读数C.安置;粗平;精平;照准;读数D.安置;粗平;照准;调焦;消除视差;精平;读数
A.315° B.225° C.150° D.300°
A.0.2 B.0.50 C.2.0 D.0.02