Kán-tan hô-hâi tín-tāng

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Kán-tan hô-hâi tín-tāng (Eng-gí: simple harmonic motion) sī chi̍t khoán chiu-kî-sèng tín-tāng (periodic motion) ia̍h lō͘-ní-hit tín-tāng (oscillation motion), tang-tiong ho̍k-goân-le̍k (restoring force) ti̍t-chiap chiàu ōaⁿ-ūi ê pí-lē hiòng ōaⁿ-ūi hong-hiòng ê tò-péng-pêng chok-iōng.