rus: чередование

Information
has URI	http://lexvo.org/id/term/rus/%D1%87%D0%B5%D1%80%D0%B5%D0%B4%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5

Meaning
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means	(noun) successive change from one thing or state to another and back again; "a trill is a rapid alternation between the two notes" alternation