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sudden ionospheric disturbance
commun. perturbation ionosphérique à début brusque
life.sc. perturbation ionosphérique brusque
Sudden Ionospheric Disturbances
life.sc., transp. perturbation ionosphérique à début brusque
 English thesaurus
Sudden Ionospheric Disturbance
IT, abbr. SID (Space)

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