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单词 θ77914
释义
the world > matter > physics > electromagnetic radiation > electricity > electrical power, electricity > distribution system > [adjective] (6)
polycyclic1903

Electrical Engineering. Involving or utilizing the simultaneous transmission along a conductor of currents of different frequencies and voltages. Now…

Subcategories:

— operated by mains electricity (2)
— having many cores (2)
— insulated (1)
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