correlation area
| method
| correlation area abbr. | |
| space | 相关区 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 相关区 | |||
|
correlation area : 15 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| Space | 7 |
| Technology | 2 |