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Jyutping gwong1 din6 haau6 jing3
Pinyin guāng diàn xiào yìng

Definitions (CC-CEDICT)
  1. photoelectric effect
Definitions (Wiktionary)
  1. noun
    photoelectric effect
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)