水平角观测
- 网络horizontal angle observation
水平角观测-
电子经纬仪水平角观测测回数的确定
Determination about electronic theodolite horizontal angle observation position number
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水平角观测中的折光误差
The error of atmospheric refraction in horizontal angle observation
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经纬仪整平误差对水平角观测影响机理的研究
A Study on Theodolite Setting Error Influence Upon the Horizontal Angle Surveying
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水平角观测的偶然和系统中误差
Accidental and Systematic Standard Deviations in Horizontal Angle Measurements
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经纬仪水平角观测精度的研究
Assessment of Accuracy Observed from Theodolite Horizontal Angle
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本文结合实测试验资料，分析了局部区域内温度梯度分布特点和变化规律，讨论了它们对水平角观测的影响。
With the help of observed data , this paper analyses the distribution of temperature gradient in Local areas and discusses the effect on observation horizontal angles .