Markovian birth and death queuing
preferred label: صف‌بندی زادومرگ مارکوفی @fa
type: Concept
narrower: Erlang formula

Erlang formula
narrower: loss formula
broader: Markovian birth and death queuing
preferred label: فرمول ارلانگ @fa
type: Concept

loss formula
preferred label: فرمول زیان @fa
type: Concept
broader: Erlang formula