| |||
sequential option; tandem selection | |||
sequential selection | |||
| |||
tandem selection |
顺 序选择 : 23 phrases in 9 subjects |
Animal husbandry | 2 |
Automatic control | 8 |
Aviation | 1 |
Computer networks | 1 |
Electronics | 3 |
General | 1 |
Information technology | 2 |
Shipbuilding | 1 |
Technology | 4 |