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北京光学仪器厂与北京拓普康仪器有限公司联合开发的DC－ID型组合式全站仅，不久前通过了专家设计定型鉴定。DC－ID型组合式全站仪由红外测距仪、电子经纬仪和电子手薄组成。采用了先进的光栅盘、增量式数字角度测量系统。垂直指标采用液体自动补偿器，结合微机技术实现了测量
Beijing Optical Instrument Factory and Beijing Topcon Instrument Co., Ltd. joint development of the DC-ID-type combined station only recently passed the expert design stereotypes. DC-ID combined total station by the infrared rangefinder, electronic theodolite and electronic thin hand. Using advanced grating disk, incremental digital angle measurement system. Vertical indicators using liquid automatic compensator, combined with computer technology to achieve the measurement