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Homeby Witness Moecki
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RE: 원자력을 감시하는 수단, 환경방사능 감시

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chosungyun (59)in #kr-science • 7 years ago

걱정은 당연 필요하겠지만 과도한 걱정은 오히려 문제를 키우는면도 있는것 같습니다...ㅎㅎ

7 years ago in #kr-science by chosungyun (59)
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