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에너지효율 등 여러 문제점을 가진다. 연구팀은 이 같은 엔진·리튬전지의 단점을 극복하고자, 새로운 동...biz.heraldcorp.com 2023-11-14
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기존 무인기에 적용되는 내연기관 엔진의 경우, 장시간 체공에는 유리하지만, 소음과 ...biz.heraldcorp.com 2023-11-13
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남북으로 동부 40km와 서부 20km 안에서 고정익 항공기를, 10km 안에서는 회전익 항공기www.nocutnews.co.kr 2023-10-28
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