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。
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。
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 .
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 .
