An user Spanish
says…

Existen
Verb
  muchas
Determiner
  formas
Noun
  de
Adposition
  medir
Verb
  las
Determiner
  dosis
Noun
  provenientes
Adjective
  de una
  radiación ionizante
.

There are many ways to measure doses from ionizing radiation.
Words and sentences
New
existen

third-person plural present indicative of existir

New
muchas

New
formas

New
de

New
medir

  1. to measure
  2. to gauge

New
las

New
dosis

dose

New
de una

Synonym of de una vez

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