air defense

例句：

1. 1. The city has implemented strict air defense measures to protect its citizens from natural disasters.
   该市实施了严格的防空措施，以保护市民免受自然灾害的影响。
2. 2.The military has been conducting air defense exercises to improve its response capabilities.
   军方一直在进行防空演习，以提高其应对能力。
3. 3.The government has launched a new air defense system to enhance its security.
   政府已经启动了一个新的防空系统，以增强其安全。
4. 4.The city's air defense system is designed to protect against enemy aircraft attacks.
   城市的防空系统旨在抵御敌方飞机的攻击。
5. 5. The air defense system includes various types of missiles and radar systems.
   防空系统包括各种类型的导弹和雷达系统。
6. 6.The air defense system is crucial for protecting the city from enemy attackers.
   防空系统对于保护城市免受敌军攻击者至关重要。
7. 7.The air defense system is designed to detect and intercept enemy aircraft before they reach the city.
   防空系统旨在在敌机到达城市之前探测并拦截它们。
8. 8. The air defense system is equipped with advanced sensors and communication systems.
   防空系统配备了先进的传感器和通信系统。
9. 9.The air defense system is regularly tested and maintained to ensure its effectiveness.
   防空系统定期进行测试和维护，以确保其有效性。
10. 10.The air defense system is an essential component of the city's emergency response plan.
    防空系统是城市紧急响应计划的重要组成部分。