将下图水平角观测值填入水平角观测手簿,并进行计算。已知:A1=90 ° 01 ¢ 06 2 ,B1=180 ° 00 ¢ 54 2 ,A2=270 ° 00 ¢ 54 2 ,B2=0 ° 01 ¢ 11 2 。 测站 目标 竖盘位置 水平度盘读数 ( °′′′ ) 半测回角值 ( °′′′ ) 一测回平均角值 ( °′′′ ) O A 左 B A 右 B
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【单选题】听力原文:M: Hi, I have a map of the campus, but I still can' t find the building with the new sculpture exhibit in it. Can you tell me how to get there? W: That was because it's an old map. Follow me, I'm...