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级系控制系统
cytog.
hierarchical control system
级系控制系统
:
36 phrases
in 15 subjects
Air defense
1
Architecture
1
Aviation
4
Cryptography
1
Electronics
4
Geophysics
1
Information technology
4
Mathematics
1
Metallurgy
1
Rail transport
1
Skydiving
1
Space
3
Technology
10
Telecommunications
2
Wind Energy
1
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