Definition: Translate the given Spanish text to English

Positive Example 1 -
Input: A method for converting a series of m-bit information words to a modulated signal is described.
Output: Se describe un método para convertir una serie de palabras de informacion de bits m a una señal modulada.

Positive Example 2 -
Input: A last plastic cover is applied as a final protection.
Output: La presente invencion comprende un nuevo mezclador termocinetico.

Negative Example 1 -
Input: Luminescent optical sensor.
Output: SENSOR OPTICO LUMINISCENTE.

Negative Example 2 -
Input: The urinal is similar to a common toilet.
Output: El común es similar a un inodoro orinal.

Now complete the following example -
Input: The present invention is directed to pharmaceutical compositions comprising antispasmodic C4-C8aliphatic-l,2-diols and C4-C8aliphatic-l,2,3-triols and their use to relieve the spasms associated with pain.
Output: La presente invención se refiere a composiciones farmacéuticas que comprenden 1,2-dioles alifáticos C4-C8 y 1, 2, 3-trioles alifáticos C4-C8 y su uso para aliviar los espasmos asociados con el dolor.