经培训合格后人员发给资格证书。的翻译：By training qualified personnel to the qualification certificates. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

After the training of qualified personnel issued qualification certificates.

By training qualified personnel to the qualification certificates.

Issues the credentials after the training qualified personnel.

After the training of qualified personnel to issue certificates of qualification.

By training qualified personnel to the qualification certificates.