DP Main Ridge Protection (OpenData)

This entity indicates ridgelines that are currently free of built development and subject to a rule that seeks to maintain that environment. It is spatially abstracted to a line. Entity Type: Concept.本要素指代当前未受建筑开发活动影响，且受旨在维持该类环境的规则约束的山脊线。该要素在空间上被抽象为线要素。要素类型：概念（Concept）。