Differentiated service
区分服务
差别服务
业务区分
分类业务
区分业务
分级服务
差分服务
区分服务模型
区别服务
Differentiated Service DiffServ
differentiated service model
differentiated service strategy for hospitals
differentiated service survivability
Proportional differentiated service
Relative differentiated service
outpatient service flow
Self-service service terminal
Service flow net SF-net
Service Flow Scheduling
single-plane (through-plane service) service