| |||
| 矢量和; 总向量 | |||
|
sum vector : 13 phrases in 8 subjects |
| Bridge construction | 1 |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Information technology | 2 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 1 |
| |||
| 矢量和; 总向量 | |||
|
sum vector : 13 phrases in 8 subjects |
| Bridge construction | 1 |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Information technology | 2 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 1 |