This paper puts forward a new method of measuring horizontal angles, which combines the traditional method of reiteration with the method of round.

本文提出一种新的水平角观测法，该法把传统的复测法同全圆测回法结合起来。

youdao

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.

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。

youdao

Four methods of sampling in road and bridge construction are introduced in this paper. They are sampling of known distances, known horizontal angles, known elevations and plane point position.

本文简述了路桥施工测量中放样的四种方法：已知距离的放样，已知水平角的放样、已知高程的放样、平面点位的放样。

youdao

Four methods of sampling in road and bridge construction are introduced in this paper. They are sampling of known distances, known horizontal angles, known elevations and plane point position.

本文简述了路桥施工测量中放样的四种方法：已知距离的放样，已知水平角的放样、已知高程的放样、平面点位的放样。

youdao