Articles from the destination marketing system origin, the realization of its conditions, and from the point of view of a number of its traditional marketing model of competitive advantage.

文章从旅游目的地营销系统的起源开始，分析了它的实现条件，并从多个角度分析了它对传统营销模式的竞争优势。

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The result shows that, the critical point of the Gauss model depends not only on the spatial dimension of the system, but also on the coordination number of the site.

结果表明，系统的临界点不仅与空间维数有关，还与晶格格点的配位数有关；

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Because the number of complex buildings 'point cloud data is very huge, this paper has determined the suitable criterion of model simplifying through experiments using different accuracy.

针对复杂建筑物的点云数据量庞大，通过不同精度的实验确定了模型简化的适宜尺度。

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