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LED

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Майкр., Браз. LED (A semiconductor device that converts electrical energy into light, used, for example, for the activity lights on computer disk drives. Light-emitting diodes work on the principle of electroluminescence and are highly efficient, producing little heat for the amount of light output)
LED
: 10 фраз в 4 тематиках
Антенны и волноводы3
Связь2
Транспорт1
Электроника4