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output-input ratio
anim.husb. 投人产出比率
busin. 产出—投入比率
econ. 产出; 投入比率
interntl.trade. 输出入比率
oil 产出投入比率; 输出-输入比
tech. 输出功率与输入功率比
output-input ratio: 9 phrases in 6 subjects
Economy3
Metallurgy1
Oil / petroleum2
Shipbuilding1
Technology1
Textile industry1