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control signal
auto.	电子学控制信号
PSP	控制信号
tech.	操纵信号

control signal: 121 phrases in 18 subjects

Air defense	1
Automobiles	4
Aviation	4
Communications	2
Compressors	1
Construction	1
Electronics	23
General	2
Geophysics	1
Information technology	2
Metallurgy	3
Nautical	4
Oil / petroleum	1
Power system protection	7
Rail transport	1
Space	6
Technology	51
Telecommunications	7