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sample average
agric. 样本均值
econ. 抽样平均数
tech. 样品平均值; 样本均值; 样本平均数
sample arithmetic mean average
met. 试样算术平均值
sample average: 55 phrases in 22 subjects
Agriculture1
Architecture1
Automobiles1
Aviation1
Business8
Chemistry1
Corporate governance1
Desert science1
Earth sciences1
Economy7
Electric machinery1
General1
Information technology1
International trade2
Mathematics4
Metallurgy4
Oil / petroleum2
Quality control and standards1
Space1
Statistics3
Technology11
Telecommunications1