1.These procedures are defined in terms of messages exchanged over the D- channel of basic and primary rate interface structures.
用通过基本的和一次群速率接口结构的D通路进行交换的消息来规定这些程序。
2.ISDN however, uses a separate channel for control information, the D channel. This is called out-of-band signaling.
然而，ISDN则利用一条独立的通道（即D通道）来传输控制资讯，就称为频带外传讯。
3.Traffic over the D channel employs the Link Access Procedure on the D Channel (LAPD) protocol.
在D通道上的流量须应用在D通道上的链路存取程序（LAPD）之协定。
4.The D channel is used to carry control information for the B channel.
这D通道是用来运送控制资讯给B通道使用的。
5.These specifications are based on the prosaic description of the D-channel management aspects as provided by Recommendation M. 3640.
这些规范是基于由建议M.3640提供的D通路管理性能的如实描述。
6.Select the ISDN switch type or D-channel protocol that your phone company uses.
选择您的公司使用的ISDN交换机类型或D-信道协议。
7.The D channel carries signaling messages, such as call setup and teardown, to control calls on B channels.
通道所运送的是传讯讯息，例如是用来控制B通道传呼的呼叫建立与解除。
8.Walt Disney Co. 's ESPN offers a 3-D channel, but 3-D content otherwise remains slow to develop.
华特-迪士尼公司（WaltDisneyCo）旗下的ESPN电视网有3D频道，但3D内容的制作过程仍然较缓慢。
9.Link Access Protocol on the D-channel Common Channel Signaling Processing Board D
信道上的链路访问协议公共信道信令处理板
10.L LAPD LMT Link Access Procedure on the D channel Local Maintenance Terminal D
信道上的链路接入规程本地维护终端