如何保护与利用好街门这一不可再生的宝贵资源，是大同历史街区保护整治规划中值得重视的专项研究课题。
How to protect and use street doors, the nonrenewable and valuable resource is a special research project of great significance in historical districts planning and management of Datong.
本文分析了鄂东工业区目前的环境污染状况和污染特点，提出了今后本工业区环境保护整治目标，以及控制污染、改善环境的措施。
Tail paper mainly analyses the present pollution status and its characteristics, and points out objectives of future environmental protection as well as counte…
提出全区国土资源整治、开发利用和保护政策。
To put forward policies of management, utilization and protection of state-owned land and resources.
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