分析和建立了一个基于组件技术的配电网络数据模型。
I Analysis and establish a distribution network data model based on components of the GIS.
传统的交通网络数据模型是用结点-弧段模型来表示的。
The basic data model of transportation network is represented by node-arc model.
网络中没有API和数据模型，它只是一组规定了发送何种消息和期待返回何种消息的协议。
The Web doesn't do APIs and object models, it's just a set of agreements over what messages you're going to send and what messages expect back in return.
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