application 在译为“应用程序”时是否可数?

《英汉双解信息技术词典》上对于application作应用程序解时是这样写的：task which a computer performs or problem which a computer solves(as opposed to an operating system which is the way in which a computer works).
其中心语是task and problem,由此判断应该可数,虽然它几乎总是用作定语

是的

1.(U)(C)The act of applying.应用，申请：应用、运用或擦敷的行为
Something applied, such as a cosmetic or curative agent 化妆品，药膏：敷用物，如化妆品或药膏
2.(U)(C)The act of putting something to a special use or purpose(实施：将某事...