| |||
| 变色范围; 变色区 | |||
| 指示幅度 | |||
| 指示剂变色范围 | |||
|
indicator range : 79 phrases in 13 subjects |
| Agriculture | 3 |
| Air defense | 15 |
| Aviation | 10 |
| Business | 4 |
| Chemistry | 2 |
| Earth sciences | 5 |
| Electronics | 9 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Geophysics | 1 |
| Navigation | 1 |
| Space | 11 |
| Technology | 15 |