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to phrases
passive defense
avia. 备用防空
box. 消极防守
bridge. 消极防守
chess.term. 消极防御
space 被动防御
 English thesaurus
passive defense
mil., logist. Passive measures taken for the physical defense and protection of personnel, essential installations and equipment in order to minimize the effectiveness of hostile action. Related term: active defence. (FRA)
USA Measures taken to reduce the probability of and to minimize the effects of damage caused by hostile action without the intention of taking the initiative (JP 3-60) see also active defense
passive defense: 6 phrases in 5 subjects
Air defense1
Aviation1
Boxing1
Space2
Sports1