This allows the receiving node to validate its incoming data and request retransmission when an error is found.
这支持接收节点验证输入数据，并在发现一个错误时请求重发数据。
While H4 serves as the standard method to transmit Bluetooth data over UART as defined in the specifications, the proprietary BCSP protocol from CSR supports error checking and retransmission.
而H4充当通过UART传输Bluetooth数据的标准方法。UART是在规范中定义的来自CSR的专有BCSP协议，支持错误校验和重传。
Through the error control mechanism, the probability of retransmission can be cut back down in effect.
并通过差错控制机制，有效减低了发生错误后重传相关信息的概率。
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