A structural river network data model based on automated generalization oriented is developed, which contains lots of information needed by river network generalization.

建立了一种面向自动综合的河系结构化数据模型，模型包含了大量水系综合所需要的信息。

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An abstract object-oriented model for power network topology is built up and an automatic generation method of primary topology is introduced, which applies the model and system vector coordinates.

提出了一种面向对象的抽象电力网络拓扑的模型，并用此模型实现了用系统矢量图的坐标关系自动生成原始拓扑的方法。

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This paper introduces a user-oriented secure communication model implemented in network layer for two trusted network nodes.

在网络节点可信的安全假设下，提出一种面向用户的网络层安全通信模型。

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