该文概述了石化企业对某市市区大气总烃污染的现状，对造成烃污染的原因进行分析，并提出了具体的防治措施。
The polluting status of total hydrocarbon in the atmosphere influenced by petrochemical enterprise is described. The control measure was proposed by analyzing the cause of the pollution.
结合编制某市市区污水管网系统专业规划，分析和研究了东南沿海地区类似老城区排水管网系统规划与设计需要注意的几个问题。
In compiling a sewer system program in downtown area, the problems deal with the planning and design of sewer network in old township districts in south east seashore area were discussed.
本文介绍为某市区域经济规划决策建立的一个决策支持系统（DSS）。
This paper introduces a Decision Support System (DSS) for decision of region economy scheme of a certain city.
本文介绍为某市区域经济规划决策建立的一个决策支持系统（DSS）。
This paper introduces a Decision Support System (DSS) for decision of region economy scheme of a certain city.
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