| |||
| 随机取样; 随机抽样; 随机采样 | |||
|
chance sampling : 6 phrases in 4 subjects |
| Business | 3 |
| Commerce | 1 |
| International trade | 1 |
| Quality control and standards | 1 |
| |||
| 随机取样; 随机抽样; 随机采样 | |||
|
chance sampling : 6 phrases in 4 subjects |
| Business | 3 |
| Commerce | 1 |
| International trade | 1 |
| Quality control and standards | 1 |