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to phrases
signal output
tech.
信号输出
signal output
:
50 phrases
in 15 subjects
Air defense
2
Automobiles
2
Aviation
2
Business
1
Communications
1
Electronics
12
General
1
Hydroelectric power stations
1
Information technology
2
Metallurgy
1
Oil / petroleum
1
Radio
1
Space
7
Technology
12
Telecommunications
4
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