| Subject | English | German |
| radiat. | detector with internal gas source | Detektor mit innerer Gasquelle |
| nucl.phys., radiat. | source-detector distance | Quelle-Detektor-Abstand (separation) |
| anal.chem. | source-detector geometry | Zählgeometrie |
| radiat. | source-to-detector distance | Quelle-Detektor-Abstand |
| radiat. | source-to-detector geometry | Quelle-Detektor-Geometrie |
