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primary sample
agric.	初级样品
auto.	原始样品
busin.	原始样本; 一次样本; 初次样本
expl.	一次采样
market.	一级样品
nautic., tech.	初始样本; 初始样品
tech.	原始试样; 原矿样; 一级样本; 一次取样; 初级试样; 初次试样; 初次取样

primary sample: 7 phrases in 2 subjects

Metallurgy	1
Technology	6