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to phrases
basic frequency
auto.
主频
见 GB/T 3947-1996 中 2.60
bridg.constr.
主频率
hydroel.st.
基本频率
;
基频
tech.
主频
basic frequency
:
6 phrases
in 4 subjects
Electric machinery
1
Electronics
3
Geophysics
1
Technology
1
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