To meet the demand of high reliable transmission of transmission line protective relay signal, this paper presents the solution of the optical fiber circuitous channel and services automatically switching.
现行的继电保护信号传输方案给SDH等通信设备的运行维护、网管操作带来很大压力,针对继电保护信号高可靠性传输的要求,文章提出了光纤迂回通道和继电保护业务自动倒换的传输方案,论证了光纤迂回通道传输的可行性,并运用故障树法对几种自动倒换方案进行可靠性分析和比较,得到结果证实PCM自动倒换光纤迂回传输方案,能较大地提高继电保护业务的传输可靠性。
The principle of the automatic storehouse changing and the realization of methods with PLC are introduced in this paper.
自动倒仓是面粉生产工艺中一道重要工艺流程，文中比较详细地叙述了自动倒仓的原理及可编程控制的实现方法。
Design and Realization of Auto Switching System of Mine Main Ventilators Without Stop Ventilation
矿井主要通风机不停风自动倒换系统设计实现
Design and Hardware Realization of APS in Alloptic Net;
全光网络中的自动保护倒换的设计及硬件实现
reverse sliding gear
倒车[换向]滑动齿轮
auto-reverse cassettere-corder
自动倒带盒式录音机
astern synchro-
倒车自动同步发送器
The Backup lights come on when the driver shifts into reverse.
驾驶员倒车时,倒车灯会自动开启。
machine driven switching system
机动制自动电话交换机
pilot selector switch
自动手动操舵转换开关
hand off-auto switch
手动-断开-自动转换开关
automatic selective overdrive
自动换档的超速传动
Hung-chien was thinking, Governments may be able to move their capitals, but I can't change my seat.
鸿渐想政府可以迁都，自己倒不能换座位。
An Audio Watermarking Algorithm with Self-Synchronization Based on Complex Cepstrum Domain
一种基于倒谱变换的自同步音频水印算法
Power-operated heated door mirrors with passenger side tilt feature when in reverse
电动后视镜附倒车档乘客座自动下降
Suppose that you move the reversing handle to the“ astern” side in response to the engine telegraph order.
假设你移动换向手柄到“倒车“侧，回应主机车令。
Design on Software of Channel Detecting and Accident Switching;
电力远动信道监测及故障倒换软件的设计
automatic data rate changer
自动数据速率变换器
fully automatic reperforator switching
全自动复凿孔机交换制
automatic switching of telegraph and telephone
电报-电话自动交换