The requirement of real time is very high, all control tasks ;ire classified into relatively independent subprogramme by executive frequency and function to time-sharing execute.
发动‘
刊-
时性要求很高,将发动
的所有控
任
,
任
的功能、执行频率、
时性划丫分为相对独立的子程序,
时性要求,分时执行。