To prediction of city spatial expansion, this part brings forward predicting method of point sources radiation diffusion based on the thought of regional diffusion and takes Jinan as an example.
对城市空间的扩展，采用区域扩散的思想，提出一种城市空间扩展的放射线预测方法，并以济南为例进行了研究。
Technical learning and diffusion which causes to the enhancement of technological capability of industrial cluster is thought to the ultimate push.
此部分将产业集群成长的根本动力归结为技术学习与扩散，而技术学习与扩散的结果表现为产业集群技术能力的提升。
Technical learning and diffusion which causes to the enhancement of technological capability of industrial cluster is thought to the ultimate push.
此部分将产业集群成长的根本动力归结为技术学习与扩散，而技术学习与扩散的结果表现为产业集群技术能力的提升。
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