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[期刊论文] 作者：LIU Yan-long,WANG Chun-lei,SUN Zhi-tao,
来源：煤炭学报（英文版） 年份：2007
Many coal enterprises have built the videoconference systems on their LAN(Local Area Network). As the development of these enterprises, their organizations are distributed over our country and even over the world. Therefore, the videoconfer......
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