error job错误作业errorn.错误；过失；误差；谬误error report analysis错误报告分析error propagation law误差传播定律error-prone network差错网络error excepted driver容许误差信号推动器error-free distance无故障距离error control routine错误控制程序error souree analysis误差源分析error of transmission传输错误error grade iterative误差分级迭代error control decoder差错控制解码器