variable power
| telescope
| variable power | |
| tech. | 可变放大率; 可变倍率 |
| telescope | |
| gen. | 封住有利角度 |
| avia. | 伸缩套管 |
| bridg.constr. | 镜筒 |
| met. | 套筒; 落料管 |
| oil | 叠生 |
| space | 叠缩; 嵌进; 可伸缩套管 |
| sport. од. | 望远镜 |
| |||
| 可变放大率; 可变倍率 | |||
|
variable power : 37 phrases in 12 subjects |
| Automobiles | 13 |
| Aviation | 3 |
| Business | 1 |
| Construction | 1 |
| Electricity | 1 |
| Electronics | 4 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Management | 1 |
| Metallurgy | 1 |
| Space | 2 |
| Technology | 8 |