defencesn.防御工事名词defence的复数形式.=defenses.defencen.防御；答辩；防务defence of habitation对住所的防卫(权)Defence Consciousness防卫意识defence science board国防科学委员会Defence and Resistance守护与抗争Defence Liaison Agency国防联络局Defence Nuclear Agency国防核武器局Defence Asia-Pacific《亚太防务》defence of command post指挥所防卫defence of a river line河川防御Defence Seicnce Journal防务科学杂志(印度)