Translate the given Spanish text to English

Ex Input:
The center ferquency is tuned by varying the width of the trace.

Ex Output:
La frecuencia central es sintonizada mediante variacion de la anchura de la pista.


Ex Input:
Methods for generating the constructs and means for their administration are also provided.

Ex Output:
Tambien se proporcionan metodos para generar las construcciones y medios para su administracion.


Ex Input:
In accordance with some embodiments of the present disclosure, a drilling system comprises a rotating control device (RCD).

Ex Output:

De acuerdo con algunas modalidades de la presente descripción, un sistema de perforación comprende un dispositivo de control giratorio (RCD).