error box错误框errorn.错误；过失；误差；谬误error characteristics误差特性,误差特征error correction mode纠错模式error margin analysis误差分析error retransmissiong出错重传error transfer theory误差传递理论Error Analysis of AGC自动增益控制的误差分析error code instrument误码仪error of mean squares中误差error control in file文件出错控制Error analysis method失误分析方法