A.3cm B.4cm C.5cm D.5.5cm E.6cm
A.事件發(fā)生時(shí)間到事件報(bào)告時(shí)間B.初步核實(shí)確認(rèn)時(shí)間到事件創(chuàng)建時(shí)間C.接到事件報(bào)告時(shí)間為起點(diǎn),系統(tǒng)生成時(shí)間為終點(diǎn)D.事件首例病人發(fā)生時(shí)間到事件報(bào)告時(shí)間