大比例尺地形图在土地平整中应用的研究

Research on the Application of Large Scale Topographic Maps to Land Leveling

分析、研究了灌溉农田土地平整的精度要求和地形图的高程精度，提出了不同大比例尺地形图在土地平整的规划、设计和施工中的应用范围及其程度．

According to the analysis of accuracy requirement of land leveling for form irrigatingand height accuracy of topographic maps, this paper gives the limit and extent of the applicationof topographic maps with various large scales to the planning and building of land leveling.