求翻译：摘要：充分发挥农民的主体作用，构建完善的农村社会化服务体系，是提高农村生产力、增加农民收入的根本要求。通过对山东省临沂市农村社会化服务体系进行实证研究，分析农村社会化服务存在的问题，提出构建完善的农村社会化服务体系的建议。是什么意思？

Summary: the farmers ' main role into full play, establishing perfect social service system in rural areas, is the fundamental requirement to increase rural productivity and increasing peasants ' income. Through to empirical research on socialized service system in rural area in linyi city, Shandong province, analysis of problems existing in rural social services, recommendations made of building perfect social service system in rural areas.