And the channel decision of a company have more long-last restriction than channel member for the producer.

而且渠道决策对于生产商比渠道成员具有更长久的约束性。

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If you wish to speak to friends in a different language, you may create a separate channel and put a language restriction in your topic.

如果你想使用其他语言与朋友交谈的话，可以创建单独的频道并为你的话题作出语言限制。

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There exists a restriction that the mobile terminal can only adopt one receiving antenna, so the challenge of co-channel interference cancellation is mainly from the downlink.

由于移动终端只能采用一根接收天线的限制，因而同频干扰消除的挑战主要来自于下行链路。

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