ringing wire
... ringing trip relay ==> 振铃切断继电器 ringing wire ==> 振铃线 ringmagnet phone ==> 环形磁铁听筒 ...
基于6个网页-相关网页
手动振铃线路 Manual Ring-Down Line
外线振铃 Ring Assignment-Business
外线振铃-日间 Ring Assignment-Business
选码振铃合用线 code ringing party line
振铃用户线接口电路 RSLIC
振铃接续中继线地址 ringing switch trunk address
·2,447,543篇论文数据,部分数据来源于NoteExpress
本文分析了振铃检测、DTMF编解码和电力线载波的原理及实现方案。
This paper analyzes the ring detection, DTMF codec and power line carrier and the realization of the principle of the program.
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