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本次例举的有关B-ISDN业务的术语包含用于理解和应用B-ISDN原理的最基本的名词.不仅适用于B-ISDN,而且也应用于相关的其他形式的电信网络应用.1.Broadband宽带能够支持大于基群速率的一种电信业务或系统的传输信道.2.Service Bit Rate业务比特率向用户传送业务的信息比特率.3.Constant Bit Rate Service固定比特率业务业务比特率被规定为固定值的一类电信业务.4.Variable Bit Rate Service可变比特率业务
The example of the B-ISDN service enumerated here contains the most basic nomenclature used to understand and apply the B-ISDN principle, not only for B-ISDN but also for other related forms of telecommunication network applications. Broadband Broadband Broadband can support more than the speed of a telecommunications service or system transmission channel .2.Service Bit Rate service bit rate to send information to the user’s service bit rate .3 Constant Bit Rate Service fixed bit rate business service bit rate is Fixed telecommunications services provided for a fixed value .4 Variable Bit Rate Service variable bit rate business