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美国地质调查
局
geophys.
United States Geological Survey
美国地质调查
USGS
UN, cartogr.
US geological survey
美 国 地质调查
:
19 phrases
in 10 subjects
Aviation
1
Desert science
1
Earth sciences
6
General
2
Geology
1
Geophysics
3
Navigation
1
Oil / petroleum
1
Space
1
Technology
2
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