1) horizontal angle
水平角
1.
Determination about electronic theodolite horizontal angle observation position number;
电子经纬仪水平角观测测回数的确定
2.
The principle of distance intersection method used in marking direction of laneway is described,and the influence of horizontal angle error is analyzed in this paper.
使用该方法计算,巷道掘进6m范围内,当指向角α=30°,水平角误差σ偏离5°时,掘进的巷道中线偏离值M=0。
2) horizontal angles
水平夹角
1.
Aiming at settling the shortage of drawing horizontal angles net by hand,this thesis analyzed the necessity and the feasibility of the drawing by computer,designed the algorithm,and made it realized by programming based on VC 6.
针对手工绘制水平夹角网的不足,分析了利用计算机绘制的必要性和可行性,设计了具体的算法,并基于VC6。
3) horizontal torsion angle
水平扭角
1.
The calculaion method and the principle for deciding the positive and negeative signs are described in the paper,when using the method of intersection to loft the vertical pile and inclined pile (including the inclined piles which the pile axis and the central line of row pilling have the horizontal torsion angle
阐述用交会法放样高桩码头的直桩和斜柱(包括桩轴线与排架中心线有水平扭角的斜桩)时所采用的计算公式和决定水平扭角正负号的原则。
4) Pitch of base Lines
水平倾角
5) Sagital section angle
水平面角
补充资料：水平角
从一点至两目标的方向线垂直投影在水平面上的夹角。在测量中，把地面上的实际观测角度投影在测角仪器的水平度盘上，然后按度盘读数求出水平角值。是推算边长、方位角和点位坐标的主要观测量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条