一个作业的完成要经过若干加工步骤,这每个步骤称为( )。
A.作业流
B.作业步
C.子进程
D.子程序
参考答案:B
Maintenance activities do not include ().
A.making enhancements to software products
B.developing a new software product
C.correcting problems
D.adapting products to new environments
企业以盈余公积向投资者分配现金股利,不会引起留存收益总额的变动。 ( )