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to phrases
frequency constant
piez.
频率常数
tech.
频率常量
frequency constant
:
61 phrases
in 16 subjects
Air defense
3
Aviation
11
Business
1
Earth sciences
2
Electric machinery
2
Electronics
12
General
5
Geophysics
4
Metallurgy
2
Oil / petroleum
1
Otorhinolaryngology
1
Radio
1
Space
3
Technology
8
Telecommunications
2
Wind Energy
3
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