dark-line
| detection
| dark line | |
| tech. од. | 暗线 |
| detection | |
| auto. | 检 测; 觉察 |
| avia. | 侦查 |
| environ. | 侦查 |
| genet. | 观察 |
| otorhinol. | 察觉 |
| otorhinol. од. | 检测 |
| radio.amat. од. | 检波 |
| rem.sens. | 火灾侦查 |
| vet.med. | 检查 |
| |||
| ★ 暗线 | |||
|
dark-line : 13 phrases in 8 subjects |
| Air defense | 1 |
| Astronomy | 1 |
| Automobiles | 1 |
| Cosmetics and cosmetology | 1 |
| Electronics | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 5 |