private circuit

The communication system is composed by fiber, exchanger and way-side telephone. Development of the circuit providing timing and synchronization signals for private automatic branch exchange

通信系统主要由光纤数字传输系统、数字程控用户交换机系统和路侧紧急电话系统三部分组成。数字程控用户交换机时钟与同步系统电路设计

Furthermore, the commission also recommended, among other reforms, that there be better co-ordination between the SEC fair funds process and private litigation, as well as clarifying certain key circuit court decisions interpreting actions pursuant to rule 10b-5.

此外，委员会还建议，除了其它改革以外，应当增强SEC公平基金程序和私人诉讼之间的协调，同时明确某些关键的巡回法庭裁决，根据美国反欺诈一般条款《10b-5号规则》解释诉讼。

Programmed automatic circuit tester With a private testing line, testing train and detecting equipments.

程序自动电路试验装置有一条专用铁路试验线，试验车辆及测试设备。

Private Line , Automatic Ringdown ( PLAR ) is a leased voice circuit that connects two single endpoints together.

专线自动回铃 ( PLAR ) 是将两个单独终端连接起来的租赁语音线路.