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Traffic signal with flashing warning and numeric countdown display
Traffic signal with flashing warning and numeric countdown display
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机译:交通信号灯带有闪烁的警告和数字倒数显示
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摘要
The traffic signal uses the conventional three lights stacked vertically, but replaces the green light (7) with a seven-segment display which shows a numeral that is counted down to indicate how long the green light will remain. The red light (3) flashes when it is active to increase its visibility.
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