Khoàⁿ "Pîn-lu̍t"--ê goân-sí lōe-iông

'''Pîn-lu̍t''' (頻率) piáu-sī tan-ūi [[sî-kan]] lāi-té ū kúi kái. Phiau-chún ê tan-ūi sī [[Hz]]. Pí-lūn-kóng lán [[lâng]] ê [[sim-chōng]] 1-[[hun-cheng]] thiàu 75-ē, tō sī sim-chōng thiàu-tōng pîn-lu̍t 75 Hz.

Pîn-lu̍t kap [[chiu-kî]] sī [[tó-sò·]] ê koan-hē:

<math>f=\frac{1}{T}</math>

<math>f</math> sī pîn-lu̍t, <math>T</math> sī chiu-kî.

[[Category:Bu̍t-lí-liōng]]