服务失效攻击
denial of the non-repudiation service attack
服务级别测算
GOSCAL Grade – of – Service CALculation
服务级别约定
SLA Service Level Agreement
block diagram
缺省服务级别
the default class of service
二次服务失误
the second service failure
服务失误归因
service failure attribution
门诊护理服务失误补救系统
remedial system against mistakes in outpatient care