iff

1. Iff you look back , your journey is ended .

如果你向后看，你的旅程已经终结。

2. The u. s. military and its nato allies , iff activities even more difficult .

对美军及其北约盟友来说，敌我识别活动就更为困难了。

3. The effect of mixtures of phoxim and deltamethrin on development of resistance iff housefly .

辛硫磷和溴氰菊酯混剂对家蝇抗性发展的影响。

4. The meaning , classification , component and work principle of the target identification and radar iff systems are briefly introduced . The present situation of the radar iff system is expounded . The development trend of the radar iff system is forecasted , and four enlightenments are attained .

首先简要介绍了目标识别及雷达敌我识别系统涵义、分类、组成和工作原理，然后阐述了雷达敌我识别系统的现状，最后对雷达敌我识别系统发展趋势作了展望，并得到4点启示。

5. Test of radar terminal and realization of its target simulator are discussed in this paper . The paper gives the following contents : detection ability , track processing ability , height measurement , iff answer code processing and eccm ability of the radar terminal . Requirement and engineering realization of radar target simulator are described .

本文讨论雷达终端测试和测试用目标模拟器的实现，主要内容包括：终端检测能力、航迹处理能力、测高能力、应答码处理能力和抗电子干扰能力，以及测量对目标模拟器要求和模拟器工程实现的讨论。

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