Based on our systemic model of information security, we design an electronic seal system.
基于我们提出的信息安全模型，设计了电子印章系统。
Spatial data model is the core and base of three dimensional geographic information system design.
空间数据模型是地理信息系统设计的核心和基础。
Based on the model, we design and implement a secure E-government 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 this model, we design and implement a safety electronic politics information system.
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，设计并实现了一个安全电子政务信息系统。
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