| single channel abbr. | |
| el. | monocanal |
| fm abbr. | |
| tech. | braza |
| System abbr. | |
| comp., MS | Sistema |
| system abbr. | |
| comp., MS | sistema |
| earth.sc. mech.eng. | sistema termodinámico |
| health. | emergencias; sistema |
| IMF. | régimen; plan; sistema |
| IT | generación del sistema |
| math. | el sistema |
|
companded : 4 phrases in 2 subjects |
| Communications | 2 |
| Electronics | 2 |