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This paper introduces the research status of the business model at home and abroad, including the concept of business model, business model classification, the relationship between the business model classification and enterprise performance, and puts forward the shortcomings of study on the business model classification. Based on previous studies, this paper puts forward a new business model classification...
In the former researches on migrant workers' migration, every indicators were verified from the researchers' subjective view. This paper began to collect the available data of a series sellected indexes relating to migrant workers' migration, using the method of principle component analysis (PCA), then generally drew a conclusion on the effects of dynamic migration factors which were divided into...
Based on the crucial problem of how to built an attractive urban environment, this article construct a model of urban landscape. The modle described driven mechanism of environmental vitality, according to three interlaced elements which motivate and form a whole vigorious urban landscape. Landscape facilities, as foundamental element, construct a meaningful place; changeable time, as driven element,...
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