帧中继的帧由()3部分组成。帧中继的基本业务包括(永久虚电路()和交换虚电路()业务)。
帧头、信息字段和帧尾
PVC
SVC
暂无解析
Peoplethrowthingsawayandbuynewonesinsteadofrepairingthemandusingagain.Whatdoyouthinkmaybethereasonsforthis?Whatproblemsmightthiscauseinsociety?
Wedon’tacceptpaymentinUSdollars.PleaseconcludethebusinessintermsofSwissfrancs.
Advertisingdiscouragespeoplefrombeingdifferentindividualsbymakingusallwanttodothesameandlookthesame.Doyouagreeordisagree?
Youcanreceiveaspecial15%discountonordersplacebeforetheendofDecember.
CignaInsuranceCompanyoffersemployeestheoptionofplacingtake-outmealorderswiththecompanychef.
