Science is a kind of knowledge which is a very useful tool in solving the technical problems of industry, agriculture and so on.
科学是一种知识，在解决工业，农业等技术问题方面，它是非常有用的工具。
This paper puts forward an agriculture knowledge service system which is an agriculture science and technology information service mode based on the users' demands for agriculture knowledge.
提出一种基于用户对农业知识需求的农业科技信息服务模式即农业知识服务系统。
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