Since the structure is located in a relatively dense urban area, the masonry walls also add protection against fire.
由于建筑位于相对密集的城区，砌体墙也增加了防火的功能。
It's introduces how to adjust the propagation model of 3g core bands in metropolis, especially in the dense urban area.
介绍了特大城市，特别是在密集城区中，针对3g核心频段进行的传播模型校正。
From the view of radio network planning, the selection of dense urban area WCDMA outside antenna parameter and antenna diversity are given.
从无线网络规划的角度，着重介绍了密集城区WCD MA室外天线参数和天线分集的选择。
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