| |||
| 对照试验; 控制实验 | |||
| 对比实验 | |||
| 控制实验［试验］ | |||
| 对照实验; 控制试验; 检验实验 | |||
| |||
| 对照实验 | |||
|
control- experiment : 11 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Economics | 1 |
| Electronics | 2 |
| General | 1 |
| Space | 4 |
| |||
| 对照试验; 控制实验 | |||
| 对比实验 | |||
| 控制实验［试验］ | |||
| 对照实验; 控制试验; 检验实验 | |||
| |||
| 对照实验 | |||
|
control- experiment : 11 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Economics | 1 |
| Electronics | 2 |
| General | 1 |
| Space | 4 |