1) ineffective call
无效呼叫
2) signal for ineffective call
无效呼叫信号
3) ineffective call meter
无效呼叫计数器
4) wireless calling
无线呼叫
1.
Given that most current indoor calling systems are wire system, this paper introduces a design method of a wireless calling system which is made up of such chips as AT89C51,PT2272/2262 and ISD4003 with the circuit of system designing and software designing procedures given.
基于目前的室内呼叫系统多是有线系统,本文介绍了一种由AT89C51、PT2262/2272编译码器、ISD4003语音等芯片组成的无线呼叫系统的设计方案,并给出了系统设计的原理框图和软件设计流程。
5) effective call
有效呼叫
6) paging
[英]['peidʒiŋ] [美]['pedʒɪŋ]
(无线电)呼叫，播叫
补充资料：无线电通信波段(见无线电通信)
无线电通信波段(见无线电通信)
radio communication wave range
wuxiandian tongXin boduan无线电通信波段(rads。。ommunicationWaVe range)见无线电通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条