Urban land supply is an important way to achieve a rational allocation of urban land resources, and optimize land use structure and improve the efficiency of land use.
城市土地供应是实现城市土地资源合理配置，优化土地利用结构，提高土地利用效率的重要途径。
The spatial allocation of land uses is readjusted to improve land use efficiency on the basis of landscape security pattern of different ecological process and land use control zones.
文章提出了景观安全格局的概念及其研究方法，并对其国内外研究现状和应用前景进行了阐述。
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