Utility function was introduced into security risk area, and its inverse function is used to define absolute loss effect and relativeloss effect as measure of risk.
把效用函数引入信息安全风险领域,利用其反函数,定义绝对损失效应和相对损失效应,用以度量安全风险。
3
In America VWs are even sold at a loss, because of the strength of the euro and the relative inefficiency of VW's German factories.