【Key words】 Highway； Natural Zoning； geographic information system； spatial database；
基于6个网页-相关网页
highway natural zoning 公路自然区划
natural zoning for highway 公路自然区划
natural zoning for highways 自然区划
natural disaster zoning 自然灾害区划
Natural Zoning for Highways is the important basis of highway network planning and establishment of related specifications and standards.
公路自然区划是公路网规划及制定相关标准、规范的重要依据。
参考来源 - 中国公路自然区划地理信息系统研究Natural Zoning for Highways is the important basis of highway network planning and establishment of related specifications and standards.
公路自然区划是公路网规划及制定相关标准、规范的重要依据。
参考来源 - 中国公路自然区划地理信息系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The northern Yellow Sea muddy coast changes, the formation of coastal landform and the natural zoning of tidal flat are analysed.
分析了冰后期以来北黄海淤泥质海岸变迁及海岸地貌的形成和滩涂的自然分带。
The former natural zoning is greening zoning's reference and foundation, and it should carry through a certain principal and process.
以往的自然区划是绿化分区的重要参考和依据，并根据一定的原则和程序进行。
Combining the generalized analysis of the former natural zoning for highway, this paper discussed the frame system, character and adaptability of the former natural zoning f.
在综合分析我国已有的公路自然区划的基础之上，探讨已有公路自然区划的框架体系、特点及适应性，可为新公路自然区划的制定提供必要的依据。
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