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单词 XY switching system
释义 XY switching system
[¦eks¦wī `swich·iŋ ´sis·tǝm]
ELECTRONICS
A telephone switching system consisting of a series of flat bank and wiper switches in which the wipers move in a horizontal plane, first in one direction and then in another under the control of pulses from a subscriber's dial; the switches are stacked on frames, and are operated one after another.
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