| Subject | English | Spanish |
| IT | function-division system | sistema dividido funcionalmente |
| agric. | multi-function packaging system | sistema multiuso de empaquetado |
| el. | non-linear system transfer function | función de transferencia de un sistema no lineal |
| comp., MS | system functions | funciones del sistema (A set of built-in functions that perform operations on and return the information about values, objects, and settings in SQL Server) |
| math. | system of orthogonal functions | sistema de funciones ortogonales |
| CNC | system transfer function | transmitancia del sistema |