error bar误差棒；误差条形图errorn.错误；过失；误差；谬误error control character误差控制记号error measuring element误差测量环节error propagation model误差传播模型error-correcting time纠错时间error information table出错信息表error pattern generator错误型发生器error in variable model变量误差模型error transfer function误差传递函数error correcting system误差校正系统,纠错系统error check polynomials差错校验多项式