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light-emitting diodes : 71 phrases in 13 subjects |
Agriculture | 1 |
Automobiles | 1 |
Aviation | 2 |
Electronics | 47 |
Hydroelectric power stations | 1 |
Information technology | 3 |
Multimedia | 3 |
Nautical | 2 |
Polymers | 4 |
Project management | 1 |
Space | 2 |
Technology | 2 |
Telecommunications | 2 |