topographic surveying

基本解釋

At the time of topographic surveying, terrain and feature in open areas with RTK measurement;
即在進行地形測量時，空曠地區(qū)的地形、地物用 RTK 測量；
The practice proves that the GPS fixing technology can meet the demands for cross section measurement, topographic and precise engineering surveying in reservoir area.
作業(yè)過程中各項指標均優(yōu)于規(guī)范規(guī)定的精度要求。實踐證明，GPS定位技術可以滿足水庫斷面測量、地形測量、精度工程測量的要求。
In construction of hydroelectric project, small range DTM data are often needed for topographic surveying, mapping, excavated form detection, earthwork calculation and so on.
水利水電工程施工過程中常常需要獲得一些小范圍的DTM數據，用于地形測繪、開挖形態(tài)監(jiān)測及工程土石方量計算等。