城市规模等级结构的划分是一个多指标的分类问题。
The division of city hierarchical structure is a multi-index classification problem.
分析了典型城市公交线路客流特征和居民公交出行决策特征，基于常规公交线路等级划分的思想，研究了不同等级公交线路的配置标准。
After the analysis of bus-route passenger characteristic and decision of typical city, different bus-route standards of different bus-route ranks are put forward.
旅游资源与区位条件是城市旅游增长极形成的两大重要因素，也是山东半岛城市旅游增长极等级划分的两大重要依据。
Tourism resources and local factors are two important elements and two important bases to divide the grades of Urban Tourism Growth Region in Shandong Peninsula.
旅游资源与区位条件是城市旅游增长极形成的两大重要因素，也是山东半岛城市旅游增长极等级划分的两大重要依据。
Tourism resources and local factors are two important elements and two important bases to divide the grades of Urban Tourism Growth Region in Shandong Peninsula.
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