Agricultural complex system has the special functions and how to comprehensively analyse and evaluate it is till the problem of ecosystem research.

农业复合生态系统是具有特定功能的复合体，如何全面地分析和评价农业复合生态系统，目前仍是困扰生态系统研究的难题。

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Agricultural information network system is a complex structure system engineering, it is important to follow a service-oriented architecture when designing the system.

农业信息网络系统是一项工程结构繁杂的系统工程，其系统设计时，遵循面向服务的体系结构问题显得尤为重要。

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For the characteristics of openness, scatterings, hierarchy, evolution and hugeness of Internet, an agricultural search model based on complex adaptive system is proposed in this dissertation.

本文针对互联网的开放性、分散性、层次性、演化性、巨量性等本质特性，提出了一种农业复杂自适应搜索模型。

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