词典释义：
v-ing
This paper presents a remote video monitoring system based on operating V. 34modem operat-ing over PSTN, it can carry real-time video, audio and all kinds of monitoring parameters.
介绍了一个PSTN网的远程视频监控系统，它在外接符合V.34的调制解调器时能通过PSTN网实时传送现场的图像、声音及各种监控参数；
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