two-course
| range
| two-course abbr. | |
| hydroel.st. | 双层的 |
| range abbr. | |
| gen. | 一系列; 行; 排 |
| el. meas.inst. | 标称范围 |
| forestr. | 区域; 幅距 |
| forestr. од. | 全距 |
| sport. | 变化，变动 |
| |||
| 双层的 | |||
| 双程的 | |||
|
two-course : 23 phrases in 8 subjects |
| Agriculture | 2 |
| Air defense | 2 |
| Animal husbandry | 1 |
| Architecture | 1 |
| Scientific | 1 |
| Space | 2 |
| Technology | 12 |
| Textile industry | 2 |