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to phrases
频率选择
gen.
frequency-selection
space
frequency selection
;
frequency selective
频率 选择:
42 phrases
in 16 subjects
Air defense
8
Aviation
2
Computer networks
1
Dermatology
1
Electric machinery
1
Electronics
6
Geophysics
3
Information technology
1
Nautical
2
Oil / petroleum
1
Selective breeding
1
Shipbuilding
1
Space
8
Technology
4
Telecommunications
1
United States
1
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