求翻译：树型网络是将多级星形网络按层次方式排列得到的网络，它的特点是结构简单，成本低；每个链路都支持双向传输；结点扩充方便灵活；除叶结点及其相连的链路外，任何一个结点或链路产生的故障都会影响整个网络是什么意思？

Tree network is a network of multi-level star network arranged in a hierarchical way, which is characterized by simple structure, low cost; each link supports two-way transmission; node expansion is convenient and flexible; In addition to the leaf nodes and their connected link, a node or link failu

Tree Network is a multi-level hierarchical network star is arranged the same way, and the network it is characterized by a simple structure, low-cost; each link will support two-way transfer point expansion; easy and flexible; the leaf and its attached links, any point or a link that will impact the

The tree network is the multistage star network the network which obtains according to the level way arrangement, its characteristic is the structure is simple, the cost is low; Each link all supports the two-way transmission; The point expansion convenience is flexible; Besides leaf point and the c

Tree network is a multi-step Star Network hierarchically arranged by the network, it is characterized by simple structure, low cost; each link supports bi-directional transmission; node expansion is flexible; outside except for leaf nodes and the connected link, any of a knot or link failure will af

正在翻译，请等待...