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- primary rate channel 初级速率信道
- A long distance phone company can provide ANI which may arrive over the D channel of an ISDN primary rate interface circuit or via a dedicated single line before the first ring. 美国有各种ANI，长话公司能提供ANI，它可在ISDN基本速率接口电路的D信道上到达，或在首次振铃之前通过专用线到达。
- Primary Rate Interface (PRI) is an ISDN interface for primary rate access , which consists of a single 64-kbps D channel plus 23 (T1) or 30 (E1) B channels for voice or data. 主速率接口是一个适用于主速率通道的ISDN接口，它是由一个单个的64-kbps的D通道再加23个（T1）或30个（E1）语音或数据B通道构成的。
- Each channel can be sub-multiplexed to form multiple,lower rate channels. 每个信道可以再被多路复用，形成多个、较低速率的信道。
- Each channel can be sub-multiplexed to form multiple, lower rate channels. 每个信道可以再被多路复用，形成多个、较低速率的信道。
- Interfaces for the 1544 kbit/s primary rate and for the 2048kbit/s primary rate are described. 本建议描述了1544kbit/s一次群速率和2048kbit/s一次群速率的接口。
- Because SS7 has more intelligent capabilities than User-Network Interface protocols such as ISDN Primary Rate Interface, SS7 can help ease congestion across the Internet. 由于七号信令比诸如ISDN的基础速率接口等用户网络接口协议更具智能功能，所以七号信令有助减轻因特网上的拥挤。
- Because SS7 has more intelligent capabilities than User-Network Interface protocols such as ISDN Primary Rate Interface,SS7 can help ease congestion across the Internet. 由于七号信令比诸如ISDN的基础速率接口等用户网络接口协议更具智能功能，所以七号信令有助减轻因特网上的拥挤。
- ERROR PERFORMANCE FOR HIGH Bit RATE CHANNEL 高比特率通道的误码性能
- Robust speaker verification in low bit rate channels The influence of speech coding on text-independent speaker verification was studied. 研究了多种低速率信道环境下,语音编码对与文本无关说话人确认的影响。
- NTV Hayat is a top rating channel from Bosnia &Herzegovina, screening 24 hours of the latest entertainment shows, sport, news and current affairs, drama series and movies. 土耳其哈亚特是最高等级航道来自波斯尼亚与黑塞哥维那，检查后24小时内最新的娱乐节目，体育，新闻和时事节目，电视剧和电影。
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
- I started primary school when I was 5 years old. 我五岁时开始读小学。
- A primary cause of Tom's failure is his laziness. 懒惰是汤姆失败的主要原因之一。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Love and hatred are primary emotions. 爱和恨是基本的情感。
- The Democratic primary was held this month. 民主党候选人初选於本月举行。
- Primary education comes under the umbrella of local government. 小学教育受地方政府的保护。
