A new method about using database, GIS and remote sensing techniques to build an integrated system for handling, analysis, visualization and management of ocean environmental information is discussed.
利用数据库技术，结合GIS和遥感技术建立了集数据处理、数据分析、数据可视化综合管理为一体的海洋环境数据库系统。
On the basis of systems analysis, the idea of reconstructing a new human nature composite geo environmental system is developed and the strategies for flood prevention are advanced.
在系统分析基础上，初步提出了重建良性循环的人工—自然复合地质环境系统的思路与防洪对策。
In the last part, using the method of annual cost, the article made analysis of solar heating system and other conventional energy system in economy as well as environmental benefits.
最后利用费用年值法对太阳能采暖系统以及其他常规能源系统进行经济性分析与环境效益分析。
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