说明：  频率法校正程序，用于自动控制原理课程设计，对任意输入的对象及要求指标，利用频率法校正到要求指标，输出校正后的结果。
(Frequency correction procedures, curriculum design for the Automatic Control Theory, on the indiscriminate importation of the object and requirements of indicators, the use of the frequency of law to request correction of indicators, the output of the results after correction.)