self-protected transformer

例句：

1. 1. The company has implemented a self-protected system to prevent data breaches.
   该公司已实施一个自我保护系统以防止数据泄露。
2. 2. The new policy is designed to protect the environment while promoting sustainable development.
   新政策旨在保护环境的同时促进可持续发展。
3. 3.The team members are self-protected against the virus by wearing masks and practicing social distancing.
   团队成员通过佩戴口罩和保持社交距离来保护自己免受病毒侵害。