1·The most serious deficiency in NATO's air defence is the lack of an identification system to distinguish friend from foe.
北约防空的最大缺陷就是缺乏能够辨认敌友的识别系统。
—— 《柯林斯英汉双解大词典》
2·The Royal Thai Air Force has procured an integrated air defence system with Gripen C/D, the ERIEYE airborne early warning system and a Command and Control C2 system including data link communication.
泰国皇家空军已经向瑞典购买了一套综合防空系统，包括鹰狮C/D战斗机、“爱立眼”机载早期预警系统和包含数据链通信的指挥控制C2系统。
3·To meet the requirement of air defence system countering stealthy target, a method of calculating the RCS of bistatic guidance radars and distance of the launched missile was given.
为满足防空系统抗击隐身目标的需求，提出了一种计算双基地制导雷达rcs和导弹发射距离的方法。
4·This paper gives a brief introduction of HN-5C short range mo-bile air defence system, especially it's components, functions and features.
本文对HN-5C近程机动防空系统作了概括介绍，特别是对武器系统的各组成、功能及特点作了详细说明。
5·In addition, the WZ-5 can only fly according to the pre-programmed flight parameters, and cannot adjust its speed, altitude, and path according to the change of enemy air defence and weather.
除此之外，WZ - 5仅仅依照预-编程飞行参数飞行，而且不能够依照敌人防空和天气变化调整它速度、高度和路径。