| |||
| 光子密度 | |||
|
photon density : 8 phrases in 7 subjects |
| Agriculture | 1 |
| Cryosphere | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Environment | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |
| |||
| 光子密度 | |||
|
photon density : 8 phrases in 7 subjects |
| Agriculture | 1 |
| Cryosphere | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Environment | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |