灾害经济现象的统计与评估问题，是开展减灾系统工程及进行灾害经济学研究的重要前提。
The problem of statistics and estimation of disaster economic phenomena is an important prerequisite for the study of systematic engineering of natural disaster reduction and disaster economics.
最后，将本文研究成果应用于多个工程实践，取得了良好的社会与经济效益，可为类似工程设计与施工提供参考。
At last, the achievements are used in several projects and obtain nice society benefit and economy benefit, which can be used as reference for design and construction of similar projects.
以系统思想为基础，提出了将系统工程、数量经济和技术经济等与合作对策相结合来研究城镇建设合作行为的新思路及新的研究方向。
A new idea and a new research direction that study cooperative behavior in town construction combining with system engineering, quantity economy and technology economy are presented.
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