| |||
| 比例任意抽样法 | |||
| 比例取样法 | |||
| 比例抽样 | |||
| 比例抽［取］样 | |||
| 按比例抽样 | |||
|
proportionate sampling : 4 phrases in 4 subjects |
| Chemistry | 1 |
| Economics | 1 |
| Quality control and standards | 1 |
| Technology | 1 |
| |||
| 比例任意抽样法 | |||
| 比例取样法 | |||
| 比例抽样 | |||
| 比例抽［取］样 | |||
| 按比例抽样 | |||
|
proportionate sampling : 4 phrases in 4 subjects |
| Chemistry | 1 |
| Economics | 1 |
| Quality control and standards | 1 |
| Technology | 1 |