| Subject | German | English |
| ed. | Duales Ausbildungs-System in D | dual education and vocational training system (Betrieb und Berufsschule, company and vocational college) |
| IT | duales System | binary number system |
| IT | duales System | binary numeral system |
| busin. | duales System | dual system |
| gen. | duales System der Berufsbildung | dual education system |
| environ. | Duales System Deutschland | green spot system |
| environ. | Duales System Deutschland | Dual System |
| ed. | Duales System in D | dual education and vocational training system (Betrieb und Berufsschule, company and vocational college) |
| transp. | Dual-Mode-System | dual-mode system |
| IT, transp. | Dual-Spin-System | dual-spin system |