Based on these characteristics, this paper puts forward a comprehensive evaluation criteria system which mainly evaluate the connection and covering level of county road network planning.
针对这一特点，提出一套对县道公路网规划方案进行综合评价的评价指标体系，重点评价县道公路网的连通性和覆盖性。
In this paper, based on the Sanmen County Geographic Information system, design principles, design objectives, system framework, system functions are described.
本文主要对三门县基础地理信息系统的建设背景、设计原则、设计目标、系统框架、系统功能等进行了阐述。
A good forecast result has been concluded with a topological prediction model of gray system theory based on the observation data of ground water table in Lanxi County.
地下水枯水期水位预报对春季农业生产具有重要意义，利用兰西县地下水水位观测资料，应用灰色系统理论的拓扑预测建立模型进行预测，取得了较好的结。
应用推荐