电信业务经营者提供电信服务，应当符合本规范规定的服务质量指标和通信质量指标。
The telecommunication services as provided by telecommunication service providers shall comply with service quality indicators and communication quality indicators as prescribed by these Rules.
大多数路由算法使用的是基于单个服务质量指标的多播树优化方案，得到的是一棵树路由。
Most route algorithms take use of multi-tree optimizing project, which is based on a single targeting for service quality, and achieve the one-tree route.
但就国内航空公司的服务质量现状来看，在航班正点性、机上服务、订票售票、值机服务、货物运输等许多方面的质量指标还存在很多问题。
Regarding the current service quality of the domestic airlines, however, there still exist some problems on punctuality, on-board service, ticketing, cargo transportation, and so on.
但就国内航空公司的服务质量现状来看，在航班正点性、机上服务、订票售票、值机服务、货物运输等许多方面的质量指标还存在很多问题。
Regarding the current service quality of the domestic airlines, however, there still exist some problems on punctuality, on-board service, ticketing, cargo transportation, and so on.
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