...等,它们能够摧毁来袭的导弹,使其永久性失效.软杀伤系统主要指电子战设备,如箔条、一次性射频有源诱饵、红外干扰弹、舰载有源干扰机、激光致盲武器和烟幕等.它们能够干扰或欺骗导弹的制导系统,使其偏离目标而脱靶.2各种舰载传感器军舰在遭受攻击中,为了自卫,必须对攻击目标进行识别.而目标识别涉及到各种舰载传感器,如雷达、雷达告警接收机、光电侦察设备、声纳、敌我识别(IFF)等.遭受攻击的最初信息可由外部侦察设备提供,如岸基雷达、机载传感器.
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IFF Gallery 国际范时尚中心
IFF MAGIC 日本东京国际时尚展
Summer IFF 夏日国际电影节
IFF beacon 敌我识别信标
IFF Device 敌我识别装置
IFF Scanner 敌我识别扫描器
IFF Device Range 敌我识别装置范围
Hans IFF 汉斯·钱
IFF Device Amount 敌我识别装置数量
·2,447,543篇论文数据，部分数据来源于NoteExpress
CONJ a shortened form of if and only if: it indicates that the two sentences so connected are necessary and sufficient conditions for one another. Usually iff is used for equivalence in the metalanguage, rather than as the biconditional in the object language 当且仅当 [logic]
Iff the boss has a different body type than yours, make sure your clothes fit well, no matter your size or height.
如果老板的身材与你不同，无论你的身高体重如何，首先要确保衣服合身。
A ring Re, (M) iff each nonzero homomorphic image of R either contains a nonzero M-ideal or has an essential ideal.
一个环R∈（M）当且仅当R的每一个非零同态象或者包含一个非零M理想或者有本质理想。
As an application, it is proved that a continuous map of an interval is chaotic iff it is distributively chaotic in a sequence.
给出紧度量空间上连续映射按序列分布混沌的一个充分条件，并证明区间连续自映射是混沌的当且仅当它是按某序列分布混沌的。
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