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PTISBNC²³⁶²¹³⁺¹ 基本例句 Piano Teachers Information Service 钢琴教师查询服务 According to functions and data model of GIS technology, analyzed feasibility and superiority of application of GIS to PTIS. 结合 GIS技术的功能及数据模型,分析了将 GIS技术应用于公共交通信息系统的可行性和优越性; cnki By establishing a general model of PTIS, the developing life cycle becomes shorter, quicker and more flexible. 通过建立邮电信息系统的总体模型,系统开发周期变得更为迅速和灵活。 cnki |