Quality type品质类型
qualityn.品质;才能;特质adj.高品质的;<英俚>棒极了
quality education in music音乐素质教育
quality of electric supply电能质量
quality of economic growth经济增长质量
quality control department质量检查科
quality and safety control质量安全控制
Quality of Network service网络服务质量
quality of student sources生源质量
quality assurance standard质量保证标准