test interval
| constant table
| test interval | |
| auto. | 二次试验的间隔时间 |
| busin. | 检验间隔 |
| constant table | |
| bridg.constr. | 常数表 |
| |||
| 二次试验的间隔时间 | |||
| 检验间隔 | |||
| 测试间隔时间 | |||
|
test interval : 18 phrases in 10 subjects |
| Aviation | 2 |
| Electronics | 3 |
| Genetics | 1 |
| Geophysics | 2 |
| Metallurgy | 3 |
| Oil / petroleum | 2 |
| Radio | 1 |
| Rail transport | 1 |
| Space | 2 |
| Telecommunications | 1 |