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to phrases
双频率
tech.
bifrequency
双频率
的
el.
double-frequency
双
重
频率
的
gen.
double-frequency
双频率
:
27 phrases
in 14 subjects
Air defense
3
Business
1
Computer numerical control
1
Construction
1
Earth sciences
2
Electric machinery
1
Electronics
2
General
1
Information technology
2
Rail transport
1
Shipbuilding
1
Space
3
Technology
7
Telecommunications
1
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