业务质量要求通常分为GoS和OoS要求，GoS指的是呼叫建立时候所需要保证的质量(call setup quality),因此，60S的指标主要是呼损，呼叫排队时可接受的时延和覆盖概率指标等， QoS
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多数网络将需要获得授权的(即付费的)频谱以保证高质量的服务。
Most networks will need licensed (ie, paid-for) spectrum to ensure good-quality service.
保证高质量不只需要测试团队的参与；它需要整个团队关注质量。
Ensuring high quality requires more than the participation of the testing team; it requires that the entire team owns quality.
我需要同文档团队合作保证他们明白如何编写高质量的教程和参考手册。
I met with the documentation team, making sure they understood how to write a good tutorial and reference for Excel Basic.
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