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n. 密集，密度，浓度4 次
Improvements will also come from the high-density technology and satellite signalling that RFI has been investing in for years, say experts.
专家们表示，RFI多年来一直投资的高密度技术和卫星信号系统也将带来改善。
reduce the density of some of its forests.
降低部分森林的密度。
Half a century of town and country planning has enabled it to retain an enviable rural coherence, while still permitting low-density urban living.
半个世纪的城乡规划使英国保持了令人羡慕的乡村整体风貌，同时仍允许低密度的城市生活。
Surveys can cover a single large settlement or entire landscapes. In one case, many researchers working around the ancient Maya city of Copán, Honduras, have located hundreds of small rural villages and individual dwellings by using aerial photographs and by making surveys on foot. The resulting settlement maps show how the distribution and density of the rural population around the city changed dramatically between AD 500 and 850, when Copán collapsed.
勘测的范围可以是单个大型聚居地，也可以是整片地域。在一个案例中，许多在洪都拉斯古玛雅城市科潘周边工作的研究人员，借助航拍照片和徒步勘测，找到了数百个小村落和独立住所。由此绘制的聚落地图显示，从公元500年到科潘衰亡的850年间，该城周边农村人口的分布和密度发生了巨大变化。