Translate the given Spanish text to English
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Question: Multifocal lenses are defined by nonconical aspheric optical surfaces.

Answer: Las lentes multifocales se definen por superficies opticas asfericas, no conicas.


Question: Such compositions find use in methods for controlling plant pests.

Answer: Tales composiciones encuentran uso en métodos para controlar plagas de plantas.


Question: The housing includes a base, a lid, and an opening.

Answer:
El alojamiento incluye una base, una tapa y una abertura.