Translate the given Spanish text to English

Example Input: Polymer foams incorporating fibrous ingredients are disclosed.
Example Output: Se describen espumas poliméricas que incorporan ingredientes fibrosos.

Example Input: The antibody polypeptides do not exhibit CD40 agonist activity.
Example Output: Los polipéptidos anticuerpos no muestran actividad agonista de CD40.

Example Input: A primary transformation is applied to a source speech signal to extract primary features therefrom.
Example Output:
Se aplica una transformacion primaria a una senal vocal de origen para extraer caracteristicas primarias de la misma.