defencen.防御;答辩;防务
defence certificate辩护证书
defence expenditure国防支出
defence data network国防数据网
defence organization防御机构防卫机构
defence and military国防军工
defence of India Act印度防卫法案
defence construction国防工程
defence of privilege关于特权的答辩
defence against tank对坦克防御
defence effectiveness防护效能