| Subject | English | Spanish |
| agric. | area free of classical swine fever | zona indemne de peste porcina clásica |
| ed. | classical authors | autores clásicos |
| pest.contr. | classical biological control | control biológico clásico |
| chem., el. | classical cascade | cascada clásica |
| health. | classical cholera | cólera clásico |
| cinema | classical cinema | cine clásico |
| earth.sc. | classical collective plasma | plasma colectivo clásico |
| psychol. | classical conditioning | condicionamiento clásico |
| el. | classical converter | convertidor clásico |
| el. | classical converter | convertidor Royer |
| IT, dat.proc. | classical decomposition | descomposición clásica |
| earth.sc. | classical diffusion | difusión colisional |
| el. | classical diffusion | difusión por colisiones |
| earth.sc. | classical diffusion | difusión clásica |
| earth.sc. | classical flutter | flameo clásico |
| med. | classical genetics | genética formal |
| tech. | classical gully | cárcava clásica |
| med. | classical haemophilia | hemofilia A |
| med. | classical homoeopathy | homeopatía clásica |
| commun. | classical IP and ARP over ATM | IP y ARP clásicos a través de ATM |
| earth.sc. | classical kinetic plasma | plasma individual |
| earth.sc. | classical kinetic plasma | plasma cinético clásico |
| el. | classical maximum usable frequency | frecuencia de conjunción |
| el. | classical maximum usable frequency | MUF clásica |
| el. | classical maximum useable frequency | MUF clásica |
| el. | classical MUF | MUF clásica |
| radio | classical MUF obsolete term | MAFT normal término obsoleto |
| radio | classical MUF obsolete term | MAFT clásica término obsoleto |
| el. | classical MUF | frecuencia de conjunción |
| radio | classical MUF obsolete term | MAFT básica |
| med. | classical neodarwinism | teoría sintética de la evolución |
| med. | classical pathway | vía clásica |
| life.sc., environ. | classical pollutants | contaminantes clásicos |
| ed. | classical studies | estudios clásicos |
| health., anim.husb. | classical swine fever | peste porcina clásica (pestis suum classica) |
| health., anim.husb. | classical swine fever | peste porcina (pestis suum classica) |
| vet.med. | classical swine fever | cólera del cerdo Tortor suis |
| agric., health., anim.husb. | classical swine fever | cólera porcino |
| health., anim.husb. | classical swine fever | colera porcino (pestis suum classica) |
| vet.med. | classical swine fever | peste porcina clásica Tortor suis |
| el. | classical system | sistema no cuantificado |
| el. | classical system | sistema clásico |
| fin. | classical system of taxation | sistema tributario clásico |
| health., nat.sc. | Community reference laboratory for classical swine fever | laboratorio comunitario de referencia para la peste porcina clásica |
| health., anim.husb. | Community Reference Laboratory for classical swine fever | laboratorio comunitario de referencia para la peste porcina clásica |
| health., anim.husb. | EU reference laboratory for classical swine fever | laboratorio comunitario de referencia para la peste porcina clásica |
| org.name. | FAO/EEC Consultation on African Swine Fever and Classical Swine Fever | Consulta de expertos FAO/CEE sobre peste porcina africana y peste porcina clásica |
| stat. | generalised classical linear estimators | mínimos cuadrados dobles |
| math. | generalised classical linear estimators | mìnimos cuadrados bietápico |
| stat. | generalized classical linear estimators | mínimos cuadrados dobles |
| math. | generalized classical linear estimators | mìnimos cuadrados bietápico |
| IMF. | new classical macroeconomic model | nuevo modelo clásico |
| IMF. | new classical model | nuevo modelo clásico |
| health., anim.husb. | pig infected with classical swine-fever | cerdo infectado de peste porcina clásica |
| health., anim.husb. | pig suspected of being infected with classical swine-fever | cerdo sospechoso de haber contraído la peste porcina clásica |
| meteorol. | Riehl's Classical Easterly Wave Model | modelo "clásico" de ondas del este de Riehl |
