这种银行卡背面的三位数字将被一个数码显示屏上每小时随机生成的新的数字组合代替。
The three Numbers on the back of the card will be replaced by a digital display randomly generating a new combination every hour.
基于数字温度传感器ds18b20的测温仪设计，三位数码管显示温度值，保留小数点后一位。
Digital temperature sensor based on the thermometer DS18B20 design, the three digital display temperature, keep one decimal place.
本机为三位数码管显示，运行状态时，数码管显示当前喷吹的回路；
This controller is three digital tube display. When in running state, the digital tube shows the current cleaning channel;
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