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Watch Later 1:34

S4_化學_CH9_C2_石英的結構和性質

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S4_CHEM_CH9_C1_ Structures and properties of diamond and graphite

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Young's Double Slits & Grating

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Longitudinal waves 1

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S4_化學_CH8_A_共價鍵的形成

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Transverse wave 2

YU CHUN KEUNG MEMORIAL COLLEGE