| |||
| ★ 质量矩阵 | |||
|
mass matrix : 18 phrases in 8 subjects |
| Aviation | 1 |
| Chemistry | 6 |
| Earth sciences | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 2 |
| Textile industry | 2 |
| |||
| ★ 质量矩阵 | |||
|
mass matrix : 18 phrases in 8 subjects |
| Aviation | 1 |
| Chemistry | 6 |
| Earth sciences | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 2 |
| Textile industry | 2 |