cheapest spanning tree
preferred label: درخت فراگیر ارزان @fa
type: Concept
related: telephone circuits

telephone circuits
narrower: conference matrix
related: cheapest spanning tree
related: electrical network
broader: circuit
preferred label: مدارهای تلفن @fa
type: Concept

circuit
preferred label: مدار @fa
type: Concept
narrower: telephone circuits

conference matrix
preferred label: ماتریس کنفرانس @fa
type: Concept
broader: telephone circuits

electrical network
preferred label: شبکه الکتریکی @fa
type: Concept
related: telephone circuits