管理学 服务质量 释 quality of service 服务质量 用于衡量使用一个服务的满意程度的综合指标。简称QoS。 理学 软件服务质量保证 释 service quality 服务质量 服务感知（P）和服务期望（E）的差。
网络与数据通信 协议体系与组成结构 释文 quality of service, QoS 服务质量
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- hydropneumatics
- hydropobic interaction chromatography
- hydropolymer
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- hydroponics
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- Hydropower and Water Resources Planning & Design General Institute
- hydropower and water resources standard
- hydropower application in ancient China
- hydropower base
- hydropower computation
- hydropower development in Brazil
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- hydropower development in China
- hydropower development in Congo River Basin
- hydropower development in India
- hydropower development in Iran
- hydropower development in Japan
- hydropower development in Lancang - Mekong River Basin
- hydropower development in Norway
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- hydropower development in the Columbia River Basin