Alongside with the evolution of agricultural, industrial and knowledge economy, the nature and extension of labor are changing, scientific, management and service laboring all create values.
随着农业社会、工业社会和知识社会的演进，劳动的内涵和外延都有变化，科技劳动、管理劳动和服务劳动都创造价值。
The agricultural information service network had played more and more role in information passing, market smoothing, and knowledge improving.
建成的农业信息服务网络在传递信息、畅通市场、提高农民科技知识水平等方面发挥了越来越重要的作用。
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