Terms for subject Technology containing Level Subroutine

English	Chinese
multiple level subroutine call	多级子程序调用
multiple subroutine level	多子程序级
one-level subroutine	一级子例行程序
one-level subroutine	一级子程序
subroutine level	子程序级
three-level subroutine	三级子例行程序
two-level subroutine	二级子程序
two-level subroutine	二级子例行程序