Article 4 Vessels and their major equipment relating to navigation safety must have valid technical certificates issued by vessel inspection departments.

第四条船舶和船上有关航行安全的重要设备必须具有船舶检验部门签发的有效技术证书。

youdao

What certificates of technical qualification have you obtained?

你都获得了哪些技术资格证书？

youdao

What certificates of technical qualifications have you received?

你获得过什么技术资格证书？

youdao

The Mandiant report details 3, 000 technical indicators including IP addresses, domain names and encryption certificates, that can be used to strengthen companies' defenses.

CNN: Mandiant: China is sponsoring cyber-espionage