This will cause multicast service deployed more difficulty on Metro-E network. In this paper, I analyze and study IP multicast control technology on L2 Metro-E network.
在本文中，笔者首先对已有IP组播控制技术分析，针对城域以太网的二层网络对IP组播控制技术进行研究。
Metro takers are invited to mark out public toilets in metro station. Please leave your comment and provide precise details, e. g.
请大家提供上海地铁站内厕所邀请各位有心之人帮忙留意地铁里的厕所，并可在此留言描述。
Metro takers are invited to mark out public toilets in metro station. Please leave your comment and provide precise details, e. g.
邀请各位有心之人帮忙留意地铁里的厕所，并可在此留言描述。
SHC1103 is primarily designed for metro single ticket, identification, e-purse, small memory and one-card-express.
SHC1103芯片特别适用于地铁单程票、身份识别、小额电子钱包、低容量信息存储及管理、小型一卡通项目等领域。
SHC1103 is primarily designed for metro single ticket, identification, e-purse, small memory and one-card-express.
SHC1103芯片特别适用于地铁单程票、身份识别、小额电子钱包、低容量信息存储及管理、小型一卡通项目等领域。
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