系统包括农业区的基础地理信息、作物生产知识、作物生长养分需求的数学模型和分析方法。
In this system, there are basic farming land geographic information, agronomic knowledge, crop fertilizer needing mathematics models, and data analysis methods.
地理信息系统技术与水质预测数学模型相接合，创建了水系信息查询及水质实时预测系统。该系统运用于九洲江水系水资源保护规划，起到了数据整理分析和管理决策的作用。
The joint between the technology of GIS and the model on predicting water quality, has established the system used to inquiry the information of water quality and predict the water quality instantly.
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