qualified scientist and engineer合格的科学家和工程师 Estimated Drift of Survival Craft (radiotelegraphy)估计漂移的生存radiotelegraphy工艺() Quality Software Engineering软件工程的质量 Qatar Stock Exchange卡塔尔的证券交易所 Quality Systems Engineering质量的系统工程 Quality System Engineer质量体系工程师 Quality Safety Environment质量安全的环境 Quality, Security, Environment质量、安全、环境 Qualitative Studies in Education在教育领域的定性研究 QuadScan EliteQuadScan精英 Quality Systems Enhancement质量体系的提高 Quality Systems Enhancement, Inc.质量系统的提高,公司