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功效，率
math. relative efficiency of a test; power efficiency
功效率
eng.geol. power efficiency
功效率: 208 phrases in 26 subjects
Air defense9
Armored vehicles1
Automobiles20
Aviation15
Business3
Computer numerical control1
Drilling3
Earth sciences4
Economy1
Electric machinery14
Electronics41
General5
Geophysics4
Information technology5
Mechanics7
Metallurgy8
Nuclear and fusion power2
Oil / petroleum1
Refrigeration1
Remote sensing1
Space8
Technology30
Telecommunications4
Textile industry1
Water resources1
Wind Energy18

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