The length of the flight has led SIA to design the route as a premium two-class service with business-class and executive economy cabins only and a reduction in the number of seats.
鉴于航线的长度，新加坡航空公司将这一航班设计成两个等级的优质服务，即商务舱和经理级经济舱，从而减少了座位的数量。
Taking into account the counteraction of the hub-airport to the flight route network, the paper presents the integrated optimization problem of one hub-airport siting and flight route network design.
考虑到枢纽机场建设对航线网络的反作用，提出了单枢纽机场选址与航线网络规划综合优化问题。
Taking into account the counteraction of the hub-airport to the flight route network, the paper presents the integrated optimization problem of one hub-airport siting and flight route network design.
考虑到枢纽机场建设对航线网络的反作用，提出了单枢纽机场选址与航线网络规划综合优化问题。
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