gyrostatic orientation survey

... 05.167定向误差 orientation error 05.168陀螺定向测量 gyrostatic orientation survey 05.169粗略定向 rough orientation ...

... 陀螺经纬仪 gyroscopic theodolite 陀螺仪定向测量 gyrostatic orientation survey 椭球扁率 flattening of ellipsoid ...

... 陀螺经纬仪 gyroscopic theodolite 陀螺仪定向丈量 gyrostatic orientation survey 椭球扁率 flattening of ellipsoid ...