A.業(yè)務(wù)類型測量 B.時(shí)間擁塞測量 C.安全交換測量 D.路由業(yè)務(wù)測量
A.對(duì)象類型–對(duì)象–計(jì)數(shù)器 B.對(duì)象–對(duì)象類型–計(jì)數(shù)器 C.計(jì)數(shù)器–對(duì)象類型–對(duì)象 D.對(duì)象–計(jì)數(shù)器–對(duì)象類型
A.對(duì)象組 B.計(jì)數(shù)器 C.對(duì)象集 D.不完整