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U.S. Geological Survey
desert.
美国地质调査局
U. S. Geological Survey
space
美国地质调查局
English thesaurus
U.S. Geological Survey
abbr., mil., WMD
USGS
abbr., water.suppl.
USGS
(USDI)
U.S. Geological Survey:
2 phrases
in 2 subjects
Earth sciences
1
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