分布式环境安全机制会实现一种高级且复杂的安全模型，如图1所示。
Distributed environment security implements an advanced and complex security model as shown in Figure 1.
基于此模型，设计并实现了一个安全电子政务信息系统。
Based on this model, we design and implement a safety electronic politics information system.
基于此模型，我们设计并实现了一个安全电子政务信息系统。
Based on the model, we design and implement a secure E-government information system.
文中研究并实现了一种主动网络下的安全传输模型。
Research and implement one kind of secure transmission model based on active network.
基于该模型，实现了一个安全预警的原型系统。
Based on the model, an early warning prototype was implemented.
基于该模型，实现了一个安全预警的原型系统。
Based on the model, an early warning prototype was implemented.
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