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RE: SteemSTEM Science Fair Entry: Radioactive Detection: from homemade to smartphone app -- SteemSTEM科學節參賽作品: 動手自製亞原子粒子顯示器

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mcw (63)in #sciencefair • 8 years ago

Yeah!! Thanks for your support !! :))))

8 years ago in #sciencefair by mcw (63)
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