erformance in service;Quality;Quality assessment;Quality assurance;Specification;Specification (approval);Standardization;Telecommunication;Testing【摘要】: 【中国标准分类号】: L23【国际标准分类号】: 33_180_20【页数】: 28P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |