"Tiān-chû-pho" pán-pún chi-kan bô-kāng--ê tē-hng
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無編輯摘要 |
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Tē 1 chōa:
[[File:Light-wave.
'''Tiān-chû-pho''' (electromagnetic wave) sī ū [[tiān-tiûⁿ]] (electric field) ham [[chû-tiûⁿ]] (magnetic field) tī khong-kan thoân-pò ê 1 chióng [[pho]]. Tiān-chû-pho sī '''[[tiān-chû hok-siā]]''' hiān-siōng ê chi̍t bīn; lán pêng-sò͘ kóng ê '''[[kng]]''', khêng-si̍t tō sī tiān-chû-pho. [[Tiān-tiûⁿ]] ham [[chû-tiûⁿ]] chiâⁿ-chò 90° teh [[hàiⁿ-tāng]] (oscillate), kap thoân-pò ê hong-hiòng mā lóng sio khiā-ti̍t.
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