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to phrases
极性变换
gen.
reversal
el.
polarity changing
el.mach.
polarity reversal
;
reversal of pole
tech.
polarity inversion
;
reversal of poles
telecom.
polar conversion
极性变换
:
14 phrases
in 5 subjects
Electronics
5
General
1
Information technology
2
Technology
5
Telecommunications
1
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