osrd 中文意思是什麼
osrd
解釋
OSRD; O. S. R. D. =Office for Scientific Research and Development 〈美舊〉科學研究與發展局。-
One of the most brilliant scientific achievements of the war was the development, exclusively by the osrd, of the proximity fuse.
戰時最為卓越的科研成就之一,是由科學研究與發展局獨家研製的無線電引信。
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