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单词 Baker-Nunn camera
释义

Baker-Nunn camera

noun

Ba·​ker-Nunn camera
ˌbākə(r)¦nən-
: a large camera for tracking earth satellites

Word History

Etymology

after James G. Baker, born 1914 American optical designer and Joseph Nunn American engineer

First Known Use

1957, in the meaning defined above

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更新时间:2024/9/20 0:29:58