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National Academy of Sciences
abbr., oil
NAS
(A private, nonprofit research organisation established by a Congressional charter to be the official adviser to the government on scientific and technological matters)
abbr., post
NAS
(USA)
abbr., tech.
*S*
(
Vosoni
)
ocean., abbr.
NAS
National Academy of Science
abbr., opt.
NAS
astronaut., abbr.
NAS
(US)
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