Compared with the time stamp method, the proposed adaptive method for clock synchronization is far more extensively applicable in packet networks.

相对于时间标签法，自适应法在分组网络中进行时钟同步方面具有更广泛的适用空间。

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At the same time, the problems of multimedia synchronization control mechanism in the practical packet-switching networks and so on are studied too.

同时，深入研究了实际分组交换网络中多媒体同步控制机制等问题。

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