| 词汇 | quality assurance |
| 释义 | quality assuranceBrE /ˈkwɒləti əʃʊərəns/ , /ˈkwɒləti əʃɔːrəns/ NAmE /ˈkwɑːləti əʃʊrəns/ (abbreviation QA ) noun [U ]the practice of managing the way goods are produced or services are provided to make sure they are kept at a high standard 质量保证 |
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