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周期数
econ.
periodicity
tech.
period frequency of cycle
电子学
周期数
auto.
number of cycles
周期
次
数
met.
number of cycles
周 期 数:
162 phrases
in 34 subjects
Agriculture
5
Air defense
5
Architecture
1
Automobiles
3
Aviation
3
Business
7
Cables and cable production
1
Commerce
2
Construction
1
Cryptography
3
Demography
2
Earth sciences
2
Economy
3
Electric machinery
1
Electronics
29
Explosives and Explosive Ordnance Disposal
1
Finances
1
General
1
Geology
1
Geophysics
1
Information technology
11
International trade
1
Mathematics
3
Metallurgy
2
Microelectronics
1
Nautical
1
Oil / petroleum
5
Physics
1
Project management
1
Space
6
Technology
52
Telecommunications
2
United Nations
1
Wind Energy
2
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