ເທັກໂນໂລຈີ ໃນການພິມ ລາຍມືໃໝ່ ອາດຊ່ວຍແກ້ໄຂ ບັນຫາອາຊະຍາກຳເກົ່າໄດ້
A new mass spectroscopy machine is helping forensic scientists who are looking for a much better view of fingerprints on objects used in a crime. The current methods of making a copy of a fingerprint may not be good enough and DNA swabbing can damage evidence. VOAs Deborah Block reports.
ຕອນຕ່າງໆຂອງເລື້ອງ
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ມີນາ ໒໑, ໒໐໒໔
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