air force navy aeronautical design standards

例句：

1. 1.The air force is responsible for maintaining national security.
   空军负责维护国家安全。
2. 2. The air force has been deployed to support the military operation.
   空军已经部署来支持军事行动。
3. 3. Air force training is essential for developing a strong defense.
   空军训练对于发展强大的国防至关重要。
4. 1.The Navy has been working on new anti-submarine technology.
   海军一直在研发新的反潜技术。
5. 2.The Navy has been involved in numerous peacekeeping missions.
   海军参与了多次维和任务。
6. 3.The Navy is responsible for maintaining international peace and security.
   海军负责维护国际和平与安全。
7. 1. The aeronautical design standards are designed to ensure safe flight.
   航空设计标准旨在确保飞行安全。
8. 2. The aeronautical design standards have been updated to meet modern requirements.
   航空设计标准已更新以满足现代需求。
9. 3. The aeronautical design standards play a crucial role in aircraft safety.
   航空设计标准在飞机安全中起着关键作用。