Providing the rules of the minimal subset lines divided method, and using the minimal subset lines di-vided method to optimize the database storage of Lhasa bus lines, it has brought great convenience to the data query, data storage and line regulation of bus lines , leading public transportation systems management and lines optimization to a new direction.%规定了最小子集线路划分法规则,并利用最小子集线路划分法优化拉萨市公交线路的数据库存储,给公交线路的数据查询、数据存储和线路调整带来很大便利,将公交系统管理和优化线路引向全新的方向.
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