xuéxí / jìsuànjī wǎngluò / shí / lǎoshī / xiángxì / jiǎngjiě / le / lìng pái huán / de / gōngzuò / yuánlǐ

学习计算机网络时，老师详细讲解了令牌环的工作原理。

When studying computer networks, the teacher explained in detail how token ring works.