2) coalmine video communication
煤矿视频通信
3) communication system of coal mine
煤矿通信系统
1.
At the same time, the application of multiple access modes makes the technology especially applicable to the digital communication system of coal mine in complicated circumstance such as more equipment modes, broad region distribution and different modulation technologies.
本文提出采用正交频分复用调制技术应用于煤矿通信系统,同时多址接入方式使得该技术尤为适用于煤矿数字通信系统的设备制式多、区域分布广、调制技术不一致等复杂情况。
4) coal mine private network
煤矿专用通信网
5) coalmine ventilation
煤矿通风
1.
Study in the safety evaluation about coalmine ventilation;
关于煤矿通风安全评价的探讨
6) coal mine in Datong county
大通煤矿
1.
Based on the documental data,this paper gives a brief account of the developmental situation of coal mine in Datong county in the Republic China.
本文借助文献史料对民国时期大通煤矿的发展状况作了较系统的概述。
补充资料：波导通信(见毫米波通信)
波导通信(见毫米波通信)
wave guide communication
bodao tongxin波导通信(wave guide communieation)见毫米波通信。
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