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中文摘要：
以1996年至2004年入境旅游统计数据为样本,借用齐夫（Zipf）参数和差异度、均衡度指标,对四川省入境旅游流规模结构的齐夫（Zipf）特征和差异度进行了对比研究.结果发现齐夫（Zipf）参数可对旅游流规模结构进行分段处理,并以此分析各标度区内旅游流规模结构的空间分布形态;对不满足Zipf法则的无效标度区内部结构只能借助差异度和均衡度指标予以完成,但由于该指标既不能很好说明旅游流规模结构的标度分段特征,又无法反映旅游流结构的空间分布形态,故只能在分析旅游流规模结构时对齐夫（Zipf）参数起补充作用;用Zipf参数和差异度、均衡度指标定量研究旅游流规模结构所得到的结果与客观实际相符合,从而证明了Zipf定律、差异度、均衡度指标均可作为旅游流规模结构分析的有效手段或工具,这对丰富旅游流的分析方法具有重要意义.
英文摘要：
Grading structure of inbound tourist flow size in Sichuan Province was comparatively analysed through the Zipf theory,equilibrium degree and difference index,according to statistic data of inbound tourist flow in 1996-2004.We decided whether or not that grading structure of tourist flow size is in conformity with Zipf theory from supposition to discussion.Equilibrium degree and difference index are calculated according to information entropy principle.The result showed that Zipf,equilibrium degree and difference index may all be used to analyse the grading structure of tourist flow size,each of which has superiority and can not replace each other.Grading structure of Tourist flow size could be sectioned by Zipf parameter,and equilibrium degree and difference index can only show the difference of structure but can＇t clearly distinguish the point of intersect.Zipf parameter may be used to analyse the space distribution shape of the tourist flow size structure in each scaling section,but any other indexes can＇t.The internal structure of ineffective scaling section with unobvious Zipf feature only can be analysed through equilibrium degree and difference index.Because the two indexes neither show the scaling section separation feature nor the space distribution shape of tourist flow size structure,they only make up a deficiency to Zipf parameter while can＇t replace it.The study showed that the result of effective scaling section being analyzed by Zipf index,ineffective scaling section by equilibrium degree and difference index accord with objective reality and it also clearly refects the structure scaling section feature,the internal structural difference of each section and and the changing law of the total structure system.This is very important to enrich the methods of analyzing tourist flow size grading structure.Concerning the tourist flow size structure in Sichuan province,the Zipf indexes ＂q＂ of inbound tourist flows of all years except 1999 are over one,which are relatively steady and their touri
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