required
adjective5 colocacionesFrecuencia promedio: 7.4
a mandatory course in a curriculum
lectura obligatoria
texts that must be read for a course or on a particular subject
textos que deben leerse para un curso o sobre un tema en particular
estándar requerido
a level of quality or attainment that is mandated
un nivel de calidad o logro que se exige
the necessary standard of proficiency or attainment
the lowest amount or level that is demanded