由于无线信道的高误码率和突发错误的特性，在无线at M中必须使用有效的差错控制机制。

In wireless ATM network, an efficient error control mechanism has to be used because of the high bit error rate and burst nature of bit errors.

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由于水下通信信道对光信号的衰减极大，实际通信系统的编码应具有极强纠随机差错和纠突发差错的能力。

Because of the enormous fading of the optical signal in underwater laser communication, the capacity of the error-correcting code must be well enough.

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