![]() |
sample survey | |
hydroel.st. | 抽样检查; 抽样检验 |
IMF. | 样本调查 |
interntl.trade. | 检验样品; 选样调查; 抽样调査; 商品鉴定 |
stat. | 抽样调查 |
tech. | 样品鉴定 |
design | |
tech. | 设计 |
sample survey design : 22 phrases in 6 subjects |
Business | 6 |
Commerce | 1 |
Earth sciences | 2 |
Economy | 2 |
Technology | 10 |
Textile industry | 1 |