因此我们采用分立元件设计制作了FED数码显示管后级驱动器。

So we designed a special driving circuit of FED with some single electronical elements.

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LED数码显示管可以显示数字或符号，通常用来显示时间、速度、系统状态等。

The LED digital tube can display the numeral or sign, and it is usually used to show time, speed, the system's state etc.

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在人机互动方面，采用改进型I/O端口复用键盘实现用户数据输入，使用两位数码显示管完成温度数据显示。

In the aspect of man-machine communication, we use the improved reused keyboard of I/O port to implement the users' data input, and displaying the temperature by two numeral displayers.

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