Chinese

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o'clock; time; when
o'clock; time; when; hour; season; period
 
frequency; frequently; repetitious
chart; list; score (music)
chart; list; score (music); spectrum (maths) (phys.)
 
trad. (時頻譜)
simp. (时频谱)

Pronunciation

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Noun

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時頻譜

  1. spectrogram