反应堆物理特性计算中产生的误差可能由两方面因素造成:1)方法误差(包括计算程序和计算模型);2)所使用的核数据本身的误差。很多国家以法规或导则形式规定,在进行堆物理计算时必须给出误差分析。随着计算机技术的发展及计算程序的不断更新完善,方法误差已不是影响物理特性计算? Errors in the calculation of reactor physical properties can be caused by two factors: 1) Methodological errors (including calculation procedures and computational models); and 2) Errors in the nuclear data used. Many countries provide regulations or guidelines that require error analysis when performing physical physics calculations. With the development of computer technology and the constant updating of calculation procedures, the method error has not affected the calculation of physical properties.