A.0.25×設(shè)備穩(wěn)定運(yùn)行率+0.5×到報(bào)率+0.25×數(shù)據(jù)可用率
B.0.5×設(shè)備穩(wěn)定運(yùn)行率+0.25×到報(bào)率+0.25×數(shù)據(jù)可用率
C.0.25×設(shè)備穩(wěn)定運(yùn)行率+0.25×到報(bào)率+0.5×數(shù)據(jù)可用率
D.0.5×設(shè)備穩(wěn)定運(yùn)行率+0.5×到報(bào)率+0.25×數(shù)據(jù)可用率