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
