 |
| |||
| 单次抽样样品 | |||
| 一次抽样样品; 单一样品 | |||
| |||
| 单式抽样，单一抽样; 单级抽样，单阶段抽样 | |||
| single sample: 6 phrases in 4 subjects |
| Business | 2 |
| Mathematics | 2 |
| Oil / petroleum | 1 |
| Technology | 1 |
|
| |||
| 单次抽样样品 | |||
| 一次抽样样品; 单一样品 | |||
| |||
| 单式抽样，单一抽样; 单级抽样，单阶段抽样 | |||
| single sample: 6 phrases in 4 subjects |
| Business | 2 |
| Mathematics | 2 |
| Oil / petroleum | 1 |
| Technology | 1 |