Chinese

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harmonious rouse
child; son; (noun suffix)
child; son; (noun suffix); small thing; seed; egg; 1st earthly branch; 11 p.m.–1 a.m., midnight
 
trad. (諧振子)
simp. (谐振子)
 
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Noun

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諧振子

  1. (classical mechanics) harmonic oscillator