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单词 purity coil
释义 purity coil
[`pyu̇r·ǝd·ē ´kȯil]
ELECTRONICS
A coil mounted on the neck of a color picture tube, used to produce the magnetic field needed for adjusting color purity; the direct current through the coil is adjusted to a value that makes the magnetic field orient the three individual electron beams so each strikes only its assigned color of phosphor dots.
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