準確率=確認有故障輛(件)數(shù)/預報故障輛(件)數(shù)×100%
兌現(xiàn)率=處理故障輛(件)數(shù)/預報故障輛(件)數(shù)×100%
使用率=系統(tǒng)探測列數(shù)/通過列數(shù)×100%