certificate of competency

• 合格证书

certificate of competency的用法和样例：

例句

1. She was granted an examination certificate.
   她被授予考试合格证书。
2. The Marine Department's Seafarers'Certification Section monitors training provided to seafarers and examines candidates for certificates of competency.
   海事处海员发证组负责监察海员培训和考核申领合格证书的考生。