您要查找的是不是：
- Early Warning Air Defense 预警防空
- Basic objectives of an electronic attack campaign are to conceal PLA operational preparations, weaken enemy air defense early warning, and paralyze or disrupt enemy integrated air defense systems. 一次电子攻击战的基本目标是隐蔽解放军的战前准备，削弱敌人的防空早期预警能力，瘫痪或者中断敌人的综合防空系统。
- Requirement of space-based early warning system from ground-based air defense 地面综合防空对天基卫星预警系统的需求分析
- early warning air sampling system 空气采样早期探测系统
- Modelling of Early Warning about Air Defense Anti-missile Strike at Airfield 机场要地防空反导打击预警建模
- For example, consider an air defense early warning system.If an unidentified aircraft is spotted, it must be identified immediately 例如，设想一个防空预警系统，如果一个不明的飞行被标明了位置，就必须立即分辨它。
- Air Defense Early Warning 防空预先警报
- area air defense early warning 区域防空预警
- VEWS? Very Early Warning System? 极早期预警系统?
- The squadron was protected by a highly mobile anti-tank and air defense. 这个中队由高度机动的反坦克和防空部队保卫。
- All facilities for civil air defense communications and warning must be kept in good repair. 第三十五条人民防空通信、警报设施必须保持良好使用状态。
- Basic early warning systems are being set up in the affected areas. 受灾地区将会安装预警系统。
- Early warning satellite system is important components of defense system, and the study of its status and detecting capability has great signality. 摘要天基预警卫星系统是防御系统的重要部分，对其发展现状和探测能力的研究具有重要意义。
- Intime of peace, all facilities for civil air defense communications and warning shall be used in cases of emergency and disaster. 第三十六条人民防空通信、警报设施平时应当为抢险救灾服务。
- Don't worry, we have a tsunami early warning system. 别担心，我们有海啸预警系统。
- The Air Defense Law of the PRC went into force on January 1,1997. 《中华人民共和国防空法》于1997年1月1日施行。
- Civil Air Defense Equipment Installation Engineering Co. 人防设备安装工程公司。
- The Air Defense Law of the PRC went into force on January 1, 1997. 《中华人民共和国防空法》于1997年1月1日施行。
- Every school should have an early warning system to avoid this problem. 每个学校都应该打好预防针，防止该类事故再次发生。
- Air Defense Command Mass driver hit by cruise missile! 太空发射轨被巡航导弹击中！
