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卫星数
tech.
number of satellites
卫星数
:
280 phrases
in 22 subjects
Air defense
2
Automobiles
2
Aviation
33
Business
1
Cartography
2
Computer networks
1
Earth sciences
35
Electronics
40
Environment
1
Forestry
4
General
4
Geophysics
1
Information technology
2
Multimedia
3
Nautical
3
Oil / petroleum
1
Portuguese
1
Remote sensing
2
Space
111
Technology
14
Telecommunications
7
United States
10
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