开发了高层应用城市交通污染管理信息系统，由前台gIS系统、后台机动车排放模型、空间数据库三大部分构成。
Highly application of GIS to urban traffic pollution management has been developed, which consisted of proscenium-GIS system, back stage-motor vehicle emission model and spatial data base.
空气污染源排放清单编制工作的基本程序包括建立坐标系、建立空气污染源数据库、编制排放清单和排放报告；
The basic procedure of emissions inventory compilation includes building reference frame, establishing an emissions database and working out emissions inventory and report.
船舶的数据库能提供多方面和可靠的基础作为研究海事活动，它能提供在不同船舶操作及船舶技术的情况下，作出空气污染物排放清单的计算。
The database has provided a versatile and reliable approach for investigating for Marine activities, which can be used to assess changes in operational practice as well as vessel technologies.
船舶的数据库能提供多方面和可靠的基础作为研究海事活动，它能提供在不同船舶操作及船舶技术的情况下，作出空气污染物排放清单的计算。
The database has provided a versatile and reliable approach for investigating for Marine activities, which can be used to assess changes in operational practice as well as vessel technologies.
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