| Subject | English | Chinese |
| tech. | active highway grade crossing protection | 主动式平交道口防护 |
| comp., MS | Active Messaging Protection | 動態訊息保護 (A process by which antivirus and anti-spam agents and filters are applied to e-mail messages for the purpose of stopping unsolicited or malicious e-mails from entering the organization) |
| agric. | active protection | 自动保护 |
| space | active protection | 主动防护 |
| desert. | active protection | 积极保护 |
| desert. | active protection | 主动保护 |
| auto. | active rolling protection system | 主动防翻滚保护系统 |
| space | active thermal-protection system | 主动［有源］热防护系统 |