A.未達(dá)時(shí)間≦20天 B.未達(dá)時(shí)間≦15天 C.未達(dá)時(shí)間≦10天 D.未達(dá)時(shí)間≦7天
A.對(duì)賬準(zhǔn)確率=100% B.對(duì)賬準(zhǔn)確率=99% C.對(duì)賬準(zhǔn)確率=98% D.對(duì)賬準(zhǔn)確率=97%
A.差錯(cuò)率=0 B.差錯(cuò)率<1‰ C.差錯(cuò)率<0.8‰ D.差錯(cuò)率<0.5‰