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。
In order to solve this problem fundamentally, the only way is to realize automatic car backing system which makes the entire car backing process complete automatically and intelligently.
要从根本上解决这一问题,唯一途径就是实现自动倒车系统,实现整个倒车过程的自动化、智能化。
auto-reverse cassettere-corder
自动倒带盒式录音机
automatic rewind automobile radio cassette player
自动倒带汽车无线电收放机
A tape-recorder with an auto-reverse
带有自动倒带装置的录音机
The automatic rewind isn't the most useful.
自动倒卷底片并不是最有用的。
Nancy's tape deck had an automatic-reverse feature.
南希的录音机上配有自动倒转装置。
Research on Alignment Methods and Optical Systems for Automatic Flip Chip Bonders
自动倒装贴片机对准方法研究及光路设计
Research on Automatic Car Backing Controller Based on the Fuzzy Theory;
基于模糊理论的自动倒车控制器的研究
The Application Research of Binocular Vision in Automatic Reversing System
双目视觉在自动倒车系统中的应用研究
Both Way for Supply System Control on Hot Water Circulating Pump
热水循环泵双路自动倒电控制系统改造
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。
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
The act of inverting.
倒置，倒转颠倒的动作
brake(eg a fixed-wheel cycle)by reversing the pedalling action
倒蹬踏板制动（如脚蹬闸自行车）.
After beginning the test,the system enters count-down time automatically.
当答卷开始后,系统自动进入倒计时。
The video tape rewinds to the beginning and the video is then captured automatically.
录像带倒回开始处，然后自动捕获视频。
Reversing Control in Continuously Variable Transmission System with Reflux Power
回流式无级自动变速传动系统倒挡控制
A" daruma" is a toy that, being weighed on the bottom, rights itself if you tip it over.
不倒翁是一种底重头轻的玩具﹐以你把它推倒还能自动归正。