head selection
| method
| head selection abbr. | |
| agric. | 穗选 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 穗选 | |||
|
head selection : 3 phrases in 2 subjects |
| Agriculture | 2 |
| Electronics | 1 |