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to phrases
sampled data
busin. 样本数据
commer. 抽样数
compr. 取样数据
desert. 采样数据
oil 抽样数据
sampled-data
hydroel.st. 抽样数据
sampled data: 45 phrases in 15 subjects
Air defense1
Automatic control1
Aviation2
Chemistry1
Commerce2
Construction1
Electric machinery1
Electronics7
Metallurgy1
Oil / petroleum1
Quality control and standards1
Space6
Technology18
Telecommunications1
Water resources1