 |
| |||
| 发光流明效率 | |||
| 发光效率 | |||
| 光视效率 | |||
| 照明效率; 反光效率; 发光系数; 发光功效 | |||
| 光效率 | |||
| luminous efficiency: 14 phrases in 7 subjects |
| Cartography | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Plastics | 1 |
| Space | 2 |
| Technology | 7 |
| Textile industry | 1 |
|
| |||
| 发光流明效率 | |||
| 发光效率 | |||
| 光视效率 | |||
| 照明效率; 反光效率; 发光系数; 发光功效 | |||
| 光效率 | |||
| luminous efficiency: 14 phrases in 7 subjects |
| Cartography | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Plastics | 1 |
| Space | 2 |
| Technology | 7 |
| Textile industry | 1 |