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to phrases
geographic reference
space
地理基准
tech.
地面参照物
;
地标
world
geographic reference
system
gen.
世界地理代号制
美国空军的
geographic reference:
23 phrases
in 9 subjects
Aviation
6
Business
1
Desert science
2
Earth sciences
1
Electronics
1
General
1
Geology
5
Space
4
Technology
2
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