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efficiency
[ɪ'fɪʃ(ə)nsɪ]
abbr.
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abbr.
eff
y
(
Vosoni
)
abbr., el.
η
abbr., met.
e.
abbr., mil.
effcy
;
eff
abbr., mining.
effic.
abbr., polym.
eff.
;
effy
efficiency
:
2 phrases
in 1 subject
Microsoft
2
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