four-level
| system
| four-level | |
| gen. | 四层的; 四 级的 |
| auto. | 四层的 |
| system | |
| gen. | 体 |
| IMF. | 安排 |
| leath. | 网 |
| med. | 派 |
| met. | 装置 |
| met. од. | 系 |
| tech. | 制度; 方法 |
| tech. од. | 体系; 系统 |
| |||
| 四层的; 四能级的 | |||
| 立体交叉道路四层的 | |||
| 四能级 | |||
|
four-level : 18 phrases in 8 subjects |
| Electronics | 3 |
| Literature | 1 |
| Project management | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 8 |
| Telecommunications | 2 |
| Textile industry | 1 |