| reference error | |
| el. | 参考误差 |
|
leveled : 32 phrases in 13 subjects |
| Agriculture | 2 |
| Automobiles | 4 |
| Computer networks | 1 |
| Electronics | 1 |
| General | 1 |
| Hydroelectric power stations | 2 |
| Leather | 1 |
| Metallurgy | 1 |
| Project management | 1 |
| Rail transport | 2 |
| Scientific | 1 |
| Technology | 14 |
| Telecommunications | 1 |