group diffusion
| method
| group diffusion abbr. | |
| oil | 群扩散 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 群扩散 | |||
|
group diffusion : 12 phrases in 3 subjects |
| Electronics | 4 |
| Nuclear physics | 4 |
| Technology | 4 |