| Subject | English | Chinese |
| el. | interrupt level subroutine | 中断级子程序 |
| space | multi-level subroutine | 多级子程序 |
| tech. | multiple level subroutine call | 多级子程序调用 |
| tech. | multiple subroutine level | 多子程序级 |
| tech. | one-level subroutine | 一级子例行程序 |
| space | one level subroutine | 一级子程序 |
| tech. | one-level subroutine | 一级子程序 |
| tech. | subroutine level | 子程序级 |
| IT | three-level subroutine | 三级子例程 |
| tech. | three-level subroutine | 三级子例行程序 |
| space | two level subroutine | 二级子程序 |
| IT | two-level subroutine | 二级子例程 |
| tech. | two-level subroutine | 二级子程序 |
| tech. | two-level subroutine | 二级子例行程序 |
