公用例程及技术
utility routines and techniques
目标程序公用例程
object program utility routine
OPUR
执行控制公用例程
executive control utility routine
executive-control utility routines
utility routines,executive-control
utility routines
executive-control
执行公用程序例行例程
executive utility routine
主档案公用程序例程
master file utility routines