“urban purple line”的概念、定义、翻译、参考文献-科学参考

单词	urban purple line
释义	urban purple line Encyclopedia 工学详细规划编制释 urban purple line城市紫线在城乡规划中为了保护建成环境遗产和历史文化资源所确定的特定政策和管理区域的边界线。即历史文化遗产保护区的边界线。
随便看	harmonic conjugate planes harmonic conjugate points harmonic constant harmonic continuation harmonic coordinate harmonic coordinates harmonic coordinate system harmonic cross ratio harmonic cubic harmonic current disturbance caused by traction system harmonic curve harmonic curve plotting harmonic decline harmonic decomposition harmonic differential harmonic differential equation harmonic dimension harmonic distortion harmonic division harmonic divisor number harmonic energy meter harmonic equation harmonic excessive function harmonic expansion harmonic field

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