reference error | |
el. | 参考误差 |
leveled : 31 phrases in 12 subjects |
Agriculture | 2 |
Automobiles | 4 |
Computer networks | 1 |
Electronics | 1 |
General | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 1 |
Project management | 1 |
Rail transport | 2 |
Scientific | 1 |
Technology | 14 |
Telecommunications | 1 |