Knols将集成强大的社会化工具，这为作者和读者之间的交流互动提供了多种模式。
Knols include strong community tools which allow for many modes of interaction between readers and authors.
单一僵化的教学模式，社会惰化的问题，互动和交流的缺乏以及错误的角色定位严重影响了教学团队的运行效果。
The existing problems, which include inflexible and single teaching model, social loafing, wrong role definition and the lack of interactivity and communication, have seriously influenced its effect.
分析了流域水资源、经济、社会和生态环境四个子系统互动关系，建立了流域REES系统运行模式。
The interaction relationship of water resources, economy, society and eco-environment are analyzed. Based on the relationship of the four subsystems, the run model of basin REES system is established.
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