survey theodolite 测地经纬仪
Study proves that use of gyroscopic theodolite can decrease the error propagation in the underground traverses survey.
研究说明陀螺经纬仪的使用，可以减少地下导线测量的误差传播。
This method apply the length of the stadia as base line, survey the vertical angular of the two ends of the base ling by theodolite and get the distance between the station and stadia.
该方法是以视距尺的定长作基线，利用经纬仪测定基线两端点的竖直角，求出立尺点至测站点间的距离。
To solve the problem by using intersection survey method of electronic theodolite is a availability method.
利用电子经纬仪构成的交会检测系统是解决此类问题的有效途径。
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