Relationships between structure factors and protection benefit of agroforests were studied through investigation in the field and analysis by multivariate statistical analysis.
本文从实际观测调查出发，应用多元统计分析的方法，考察混农林的各结构因子指标与防风效益之间的关系。
Based on the analysis of the quake damage and practical benefit of the structure, it is found that double frame of bottom building structure is suitable to the case of our own economic situation.
通过探讨底部两层框架砌体结构房屋的使用效益并进行了震害分析，认为底部两层框架砌体结构房屋在我国现阶段经济条件下是比较适用的。
According to the status of each link, through cost-benefit analysis presented in the system, this paper proposes systematic reform ideas in institution, structure, behavior, and regulatory agencies.
本文根据各个环节的状况，通过分析成本收益，提出了在制度、结构、行为和规制机构四个方面的系统性的配套改革思路。
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