Communication networks can be classified in terms of their physical arrangement or topologies. Three common topologies are the star, bus, and ring.

通信网络可以按照其物理排列或拓扑结构来分类。有三种常见的拓扑结构：星型、总线型和环型。

youdao

Star topology , ring , tree and bus topology what their characteristics?

星形拓扑，环形，树形和总线拓扑各自的特点是什么？

youdao

Do not use twisted pair, is extremely wrong. 485 bus must be hand in hand type bus structure, resolutely eradicate star connection and branch connection.

不选用双绞线，是极端过错的。485总线一定要是手牵手式的总线结构，坚决根绝星型连接和分叉连接。

youdao

This seems to be the week for high-level editors to throw star writers under the bus, and deservedly so in both cases.

FORBES: The Post draws the curtain on Mouthpiece Theater

Gillian Anderson, onetime star of "The X-Files, " will be back in "Crisis, " a drama about a bus full of high school students who are kidnapped.

NPR: NBC Bringing Back '70s Cop Drama 'Ironside'

So, yeah, unless you're toting a guitar case and cramming yourself into a sweaty tour bus every other month, we suggest leaving the term "rock star" out of your job title -- and even then, the whole "star" classification seems a little self-aggrandizing.

CNN: Beware, ninjas, of how you name yourself online