片语
nullification无效;废弃;取消;(美)州对联邦法令的拒绝执行或承认
inefficacy contract无效合同
inefficacy in platelet transfusion血小板输注无效
inefficacy in the evaluation评判失效
efficacy and inefficacy有效和无效
taper inefficacy area圆锥模糊区
market inefficacy市场失效
probability of inefficacy失效概率
rupture inefficacy断裂失效
invalidity无效,无价值