通过分析大城市公共交通线路及站点的实际状况论证了详细的公交实体表达的必要性。
The need for detailed representation of public transport features is illustrated by cases existing in large cities.
提出公共交通线路及站点在GIS中的详细数据表达问题，并探讨该数据模型在公交换乘中的应用。
This paper deals with the detailed representation of transit lines and stops in GIS, and explores the application of this representation to transit transfer guidance.
本文建立了城市公共交通线路同优化模型，设计了“分离目标，逐步优化”的公交线路网规划方法。
IN this paper, an optimized model of urban public traffic route network is established and a route network program method named DECOMPOSING OBJECTIVES and OPTIMIZING STEP BY STEP is provided.
这座城市的市内交通线路可能还不是全美最长的，但却着实另人肃然起敬，不是别的，正是围绕其公共交通系统所展开痛并热情着的争论。
THE city's average commute is not quite America's longest, but in one respect Chicago is unrivalled : the bitterness and passion of the argument surrounding its public-transport system.
这座城市的市内交通线路可能还不是全美最长的，但却着实另人肃然起敬，不是别的，正是围绕其公共交通系统所展开痛并热情着的争论。
THE city's average commute is not quite America's longest, but in one respect Chicago is unrivalled : the bitterness and passion of the argument surrounding its public-transport system.
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