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Jyutping faai3 cuk1 fu6 lei5 jip6 bin3 wun6
Pinyin kuài sù fù lǐ yè biàn huàn

Definitions (Wiktionary)
  1. noun
    fast Fourier transform
    (syn.) 快速傅立叶变换, 快速傅立葉變換