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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The methods of coordinates transformation from satellite network to earth network and space projection for map were introduced.

讨论了卫星网中的定位结果转化为地面网的方法和空间投影与测绘制图问题。

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ISO is a network of the national standards institutes of 147 countries, on the basis of one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system.

ISO是一个民间标准组织。它的成员遍布147个国家，每个国家只有一个主要成员，为了组织的协调，在瑞士的日内瓦设立一个中央秘书处。

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