针对随机线性网络编码，提出点-点检错和端-端重传相结合的差错控制方法。

Aiming at random linear network coding, this paper proposes an error control method which combines point-point checking error and end-end retransmission.

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本文主要完成的工作有：1、介绍了网络编码技术，着重介绍了随机线性网络编码。

The main works in this paper are shown as follows: 1. Network coding technology is introduced especially random linear network coding.

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