通知计算机当前动作执行状况和反馈通信中的错误。

The operation situation of present activity and error in feedback communication were also return to computer.

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同时，亚萨合莱说此项目是世界上第一个类似试验，目的是“从将近距离通信手机运用于各种服务的客人和雇员那里得到反馈信息。”

Assa Abloy meanwhile said the project was a world first and the goal was "to get feedback from guests and employees using the NFC phones for a variety of services."

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讨论了多发射天线OFDM系统中有限比率反馈对通信系统误码率的影响。

The effect of finite rate feedback in multiple-antenna OFDM systems on communication performance is discussed in this paper.

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