本文就分组交换机的启动过程进行了探讨，并就两种软件加载方式进行了详细的分析。
This paper discusses the starting procedure of packet switching and two methods of software loading are described in detail.
空气污染一直没有消失，但是这些专用分组交换机却已经被全被直拨电话和计算机化的路由呼叫系统替代了。
Air pollution hasn't gone away, but these PBX RIGS have been replaced just about everywhere by direct-dial phone lines and computerized call-routing systems.
专用综合服务网络交换（PINX）是在BRI语音应用中使用QSIG信令的专用分组交换机或主系统。
Private INtegrated services network eXchange(PINX) is a PBX or key system which, in a BRI voice application, uses QSIG signaling.
并行分组交换机(PPS)是一种利用多个低速交换结构实现高速交换的新技术，它是当前高速交换领域的一个研究热点。
Parallel Packet switch (PPS) can realize high speed switching by using low speed switches, which is a hot spot in switching area.
1959年，南加利福尼亚空气污染地区办公室专用分组交换机的接线员格雷斯·米勒（Grace Miller）和特瑞莎·文森特（TheresaVincent）位于接线总机旁边。
Grace Miller and Theresa Vincent staff the PBX, or private-branch exchange, switchboard at the Southern California Air Pollution District office in 1959.
内部优先权值在交换机中处理期间给该分组提供优先权。
The internal priority value provides a priority to the packet during processing in the switch.
在分组交换网络中，分组调度算法在交换机和路由器中决定着分组的服务规则，而接入允许控制算法则决定着带宽资源的预留和释放。
In the packet switching network, packet scheduling algorithms in the routers and switches decide how to serve packets, admission control algorithms decide bandwidth reservation and release.
在从交换机发送该分组前出站优先权值应用到该分组中代替入站优先权值。
The outbound priority value is applied to the packet in lieu of the inbound priority value prior to transmitting the packet from the switch.
在从交换机发送该分组前出站优先权值应用到该分组中代替入站优先权值。
The outbound priority value is applied to the packet in lieu of the inbound priority value prior to transmitting the packet from the switch.
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