For the better description of the complicated network environment in the real world, this paper designs a kind of cross-layer road network structure using object-oriented method.
为了更好地描述现实世界中复杂的网络环境，采用面向对象的方法设计了跨图层的道路网络结构。
Pipe network with the actual needs of extracting data to produce two-dimensional display of the road layer to complete the address matching and its rendering.
结合管网的实际需要提取数据，制作供二维展示的道路图层，完成地址匹配及其渲染技术。
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