透 光度 : 36 phrases in 15 subjects |
Agriculture | 1 |
Animal husbandry | 1 |
Automobiles | 3 |
Chemistry | 1 |
Earth sciences | 3 |
Electronics | 1 |
Jewelry | 1 |
Metallurgy | 4 |
Nursing | 2 |
Oil / petroleum | 1 |
Plastics | 1 |
Space | 4 |
Technology | 11 |
Textile industry | 1 |
Water resources | 1 |