Aimed at the external attribute, the policy is to optimize expressway resource collocation by tax and the integration planning of expressway construction and land utilization.

针对外部性的政策是通过税收和高速公路建设与土地利用的一体化规划，优化高速公路资源的合理配置。

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Reasonable utilization of urban land is an important work for urban planning and construction.

城市土地的合理利用是城市规划与建设的重要工作内容。

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Timely, accurately and rapidly grasping the dynamic change information is essential for promoting rational utilization, planning and scientific management of land resource.

实时、准确、快速地掌握土地利用动态变化信息，对于促进土地资源合理利用、规划和科学管理，具有十分重要的意义。

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