求翻译：3) POST票务软件系统与Central System进行实时交互，实现Central System提供的售票、退票、订票及变更业务，适应个性化售票和全路范围径路选择交易的业务需求。是什么意思？

3) post ticketing software system for real-time interaction with the central system, to achieve the central system to provide ticketing, refund of booking and change business to adapt to business needs personalized ticketing and road range path selection of trading.

3) * POST ticket software system and Central System for real-time interactive, Central System provide the tickets, ticket booking and cancellation, change, and adapt to personalize your business sales and full-range Trail route selection of trading business needs.

3) The POST ticket clerk software system and Central System carry on real-time alternately, realizes the booking which Central System provides, returns a ticket, orders ticket and the change service, the adaptation personalization booking and the entire road scope narrow path choice transaction serv

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