Thus, post-1949 road building has altered the old grid pattern of the city's road network, to a mixture of ring roads and radial roads.

这样，1949年后的道路建设将城市道路网的旧的格网形式，转变为环状道路和放射状道路混合的形式。

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Thus, post-1949 road building has altered the old grid pattern of the city's road network, to a mixture of ring roads and radial roads.

这样，1949年后的道路建设将城市道路网的旧的格网形式，转变为环状道路和放射状道路混合的形式。

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