断面仪采用无合作目标激光测距技术和精密测角技术，将极坐标测量方法与计算机技术紧密结合，高速精确检测，无需后处理，可直接输出报告。也可用于桥梁静态挠度检测。高精度角度控制，保证测量结果精确无误。使用专用控制器，显示结果形象直观激光测距传感器，无需反射棱镜。
文中简要介绍了HD - 1型巷道断面仪的结构原理、测量方法、所能达到的精度及其在矿山生产中的应用领域。
The principle, structure, measuring method, measuring accuracy of HD-1 type surveying instrument and its applications in the mines were presented in this article.
采用多谱勒三相流速仪，在长江干流黄陵庙水文观测断面进行脉动流速观测，获得了不同流量级、不同垂线的脉动流速资料。
Field experiments on fluctuation velocities were carried out at the section Huanglingmiao of stem stream of Yangtze River with an Acoustic Doppler Current Profile (ADCP).
介绍利用（电子）经纬仪进行横断面测量的一种新方法，并提出横断面截面积计算的一种新思路。
The paper introduces a new method of cross measuring by (el ec tric) theodolite, a new way of cross section area computation is also presented.
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