 |
| |||
| 样本调查 | |||
| 抽样调查，样本调查 | |||
| 抽样调查 | |||
| 抽样检验; 抽样检査; 抽样调査 | |||
| sampling survey: 13 phrases in 4 subjects |
| Business | 5 |
| Commerce | 1 |
| Earth sciences | 1 |
| Technology | 6 |
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