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Jyutping sou3 miu4 din6 zi2 hin2 mei4 geng3
Pinyin sǎo miáo diàn zǐ xiǎn wēi jìng

Definitions (Wiktionary)
  1. noun
    scanning electron microscope
    (syn.) 扫描电镜, 掃描電鏡