| Subject | English | Swedish |
| comp., MS | physical layer | fysisk nivå (Layer one of the OSI model. A software layer that transmits bits from one computer to another and regulates the transmission of a stream of bits over a physical medium. This layer defines how the cable is attached to the network and which transmission technique is used to send data over the cable) |
| commun., comp. | physical layer | fysiskt lager |
| commun., comp. | physical layer | fysiskt skikt |
| commun. | physical layer convergence protocol | konvergensprotokoll för fysiskt skikt |
| commun. | physical layer convergence protocol | konvergensprotokoll för fysiskt lager |
| el. | physical thickness of scattering layer | spridningslagrets fysiska tjocklek |