| Subject | English | German |
| agric. | age-class system | Altersklassenmethode |
| gen. | class-based electoral system | Klassenwahlrecht |
| econ. | class-capacity loading and scheduling system | Kapazitätsplanungs- und -Steuerungssystem |
| transp. | CLASS-System | Containerleichter-Mutterschiff |
| transp. | CLASS-System | System CLASS |
| transp. | CLASS-System | CLASS-Schiff |
| phys. | Harvard system of spectral classes | Harvard-System der Spektralklassen |
| phys. | holohedral class of the monoclinic system | prismatische Klasse |
| phys. | paramorphic hemihedral class of the cubic system | paramorphe Hemiedrie des kubischen Systems |
| phys. | paramorphic hemihedral class of the hexagonal system | paramorphe Hemiedrie des hexagonalen Systems |
| comp., MS | system class | Systemklasse (A class that the CIM Object Manager defines to support core features such as event notification, security, and localization. A system class is automatically defined in each namespace) |
| oper.res. | two-class system | in das Forderungen zweier Klassen einlaufen |
| oper.res. | two-class system | System |