What functions does the mobile phone exchange have7
移动电话交换机起什么作用?
"Mobile phone exchanges, base stations and mobile phone subscribers, such as portable phones, handsets and so on."
主要有移动电话交换机，基站及移动台用户。
machine driven switching system
机动制自动电话交换机
computer telephone exchange
电脑自动电话交换机
automatic local exchange
市内电话自动交换机
automatic toll switching system
长途电话自动交换机
crossbar automatic telephone system
纵横制自动电话交换机
unit automatic exchange
内部自动电话交换机
private automatic telephone exchange
专用自动电话交换机
code switch automatic telephone system
码条式自动电话交换机
identifier circuit
(自动电话交换机的) 识别电路
all relay automatic telephone system
全继电器制自动电话交换机
step-by-step system local automatic telephone exchange
步进制市内用自动电话交换机
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
Western panel type automatic telephone switch board
西部板式自动电话交换机
common battery exchange
共电制电话交换机局
electronically controlled telephone exchange
电子控制电话交换机