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单词 electronic countermeasure
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electronic countermeasure
electronic countermeasure n. Military a tactical measure involving the use of electronic equipment to disrupt or impair enemy communications, radar, missile guidance systems, or other electronic hardware; usually in plural (abbreviated ECM).
ΚΠ
1949 N.Y. Times Bk. Rev. 16 Oct. 5/2 The parallel development of electronic counter-measures against both these contrivances [sc. ground-to-air guided missiles and radar detection devices].
1992 J. Peters & J. Nichol Tornado Down xvi. 147 He failed to ask what electronic countermeasures it contained, what systems, what radars its complex electronics could defeat.
extracted from electronicadj.
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