为满足城市建设对于地形图现势性方面的需求，杭州市基础测绘管理实行了动态跟踪修测方法。
The Hangzhou basic mapping management department takes the dynamic following up on mapping method into action in order to adapt to the new situation.
为满足城市建设对于地形图现势性方面的需求，杭州市基础测绘管理实行了动态跟踪修测方法。
The Hangzhou basic mapping management department takes the dynamic following up on mapping method into action in order to adapt to the new situation.
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