| |||
subsidiary test | |||
subexperiment | |||
subsidiary experiment |
辅助 试验: 30 phrases in 12 subjects |
Animal husbandry | 1 |
Automobiles | 1 |
Aviation | 5 |
Business | 1 |
Commerce | 1 |
Electronics | 1 |
Mechanics | 1 |
Rail transport | 1 |
Shipbuilding | 5 |
Space | 6 |
Technology | 6 |
United States | 1 |