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
- precipitation separation
- precipitation solubility equilibrium
- precipitation-solubility equilibrium
- precipitation station
- precipitation test
- precipitation threshold
- precipitation titration
- precipitation titrations for pharmaceutical analysis
- precipitation use efficiency
- precipitation variability in China
- precipitator
- precipitinogen
- precipitinoid
- precipitometer
- precipitophore
- precipitous ideal
- Precipitous Peak Draft
- Precipitous Peak Draft by Yuan Ji
- Precipitous the Zhong Mountain
- precipitumn
- precise
- precise and quantitative cultivation for crops
- precise clock error service
- precise code
- precise cooperative real-time positioning