【Key words】 Hefei City; evaluation; suburb; agricultural ecological system; sustained development
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Soil is material base of agricultural ecological system and main studied object of agricultural geology.
土壤是农业生态系统中的物质基础，是农业地质研究的主要对象。
According to the thermodynamic law and the characteristics of agricultural ecological system, the entropy of agricultural ecological system was defined.
本文以热力学定律为依据，根据农业生态系统的特性，给农业生态系统的熵下了定义。
The system exhibited higher information management efficiency and query speed, as well as good applicability and guidance on ecological layout and decision support for agricultural farming.
同时系统在基于空间信息的农业生产布局与管理决策方面表现出了较好的适应性和指导性。
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