agricultural information resources 农业信息资源
Agricultural information network system resources 网络农业信息资源系统
digital agricultural information resources 数字化农业信息资源
agricultural internet information resources 农业网络信息资源
agricultural scientech information Resources 农业科技信息资源
This paper introduces the classification of agricultural information resources free of charge, search methods and free database of domestic and foreign.
介绍了免费农业信息资源的分类、检索方法以及国内外重要的免费数据库。
It is necessary for agricultural university libraries to construct Subject Navigation System to collect and sort agricultural information resources on the Internet.
农业院校图书馆有必要通过建设学科导航系统对网络农业信息资源进行搜集和整理。
The agricultural condition information includes the information of agricultural resources, agricultural environment and main crops growth condition and yield.
农情信息是指农业资源、环境与主要农作物的生长过程、状况的信息。
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