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performance ratio
avia. 性能比
econ. 执行比率
el. 性能参数
oil.proc. 性能系数; 特性比
securit. 业绩比率
performance ratio: 19 phrases in 12 subjects
Agriculture1
Air defense1
Automobiles1
Aviation2
Earth sciences1
Electronics3
Information technology1
Mining2
Refrigeration1
Space1
Technology1
Telecommunications4