问答题
A.滞留率是滞留总艘次/检查总艘次×100% B.滞留率是滞留总艘次/初次检查总艘次×100% C.单船平均缺陷数量是缺陷总数量/检查总艘次 D.单船平均缺陷数量是初次检查缺陷总数量/初次检查总艘次
A.Macao,China B.Hong Kong,China C.Democratic People’s Republic of Korea D.Solomon Islands E.USA