bn:03251399n
Noun Concept
EL
θεμελιώδη λειτουργία  θεμελιώδης τρόπος  ιδιομορφή  κανονική λειτουργία  συνήθεις τρόπους
EN
A normal mode of a dynamical system is a pattern of motion in which all parts of the system move sinusoidally with the same frequency and with a fixed phase relation. Wikipedia
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