Cross-Bar Exchange XB是什么意思

网络释义

用法例句

The vertical and horizontal telephone exchanging system has been the common communication tools in railway system since 1950.

纵横制电话交换机是铁路系统五十年代乃至目前使用相当普遍的通讯设备，其性能已难以满足目前通信业务管理的需要。

selecting chain

(纵横制交换机中的)互斥电路

crossbar automatic telephone system

纵横制自动电话交换机

Relays for crossbar telephone switching systems

GB/T3972-1992纵横制电话交换机用继电器

concourse-connection longitudinal-transverse auto-telephone exchange

汇接用纵横制自动电话交换机

crossbar private automatic branch exchange system

纵横制自动电话小交换机

crossbar automatic exchange system

纵横制自动交换方式

Bell introduces crossbar central office switches.

贝尔实验室纵横中央局交换机问世。

Technical requirements and testing methods for crossbar private automatic branch exchange

GB/T5322-1985纵横制用户电话交换机技术要求和试验方法

Technical requirements and testing methods for local crossbar telephone switching systems

GB/T6878-1986纵横制市内电话交换机技术要求和试验方法

"Present-day telephone-circuit switching equipment is based on either electromechanical techniques (employing crossbar, Strowger, or rotary switches)"

目前，电话的电路交换设备或以机电技术(采用纵横制、步进制或旋转式接线器)，

Toll and local crossbar telephone switching system--Signal marks or colours of lamp and alarm ringer

GB/T2094-1980纵横制长、市话交换设备灯色及警铃信号标志

It's crisscrossed with waterways

镇上有纵横交错的水路

the control surface on the tailplane of an aircraft that makes it ascend or descend.

能够控制升降的装在飞机横尾翼上的操纵面。

Interactive Mechanism between Vertical Integration and Horizontal Expansion

纵向一体化与横向扩张的互动机制研究

Out of Crisis:the Vertical and Horizontal Transition Paths of Manufacturing Enterprises in Shanghai

走出危机:上海制造业企业转型的“纵横”路径

longitudinal and transverse shear for aluminium and alloy

铝及金属纵横剪切机

machine driven switching system

机动制自动电话交换机

clearing-house mechanism [UNEP]

资料交换所机制体制