中文摘要：

首先论证了网络社区的本质——生产型信息源,在此基础上界定了网络社区中信任的内涵,然后应用生命周期理论将网络社区生命周期过程划分为形成期、成长期、快速发展期、成熟期和衰退期五个阶段,进而讨论了基于生命周期的网络社区动力机制,最后分析了信任对不同生命周期阶段网络社区核心动力的影响。

英文摘要：

Firstly, the essence of network community is demonstrated, which is a productive information source, and theconnotation of trust in the network community is defined. Then, the life cycle of the network community is divided into fivestages：formative period,growth period,fast development period,mature period and decline period, and the dynamicmechanism of network community based on life cycle is discussed. Finally,the influence of trust on the core power ofnetwork community is analyzed.