double theodolite
双经纬仪观测 [测] double-theodolite observation
双经纬仪观测法 two-transit method
双度盘经纬仪 double circle theodolites
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分析了经纬仪透视投影模型以及双经纬仪三维坐标测量模型。
The perspective projection model of the theodolite is analyzed and the mathematical model of the three-dimensional coordinates measuring system with bino-theodolites(TCMSBT) is analyzed.
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