本文对光纤液位计的组成和原理作了介绍，光纤液位计由模数转换装置、光导纤维对及逻辑数字显示电路组成。
This paper presents the composition and the principle of optical fibre liquidometer. It is composed of analog—to—digital converter, a pair of optical fibres and digital display circuit.
调制解调器是一间转换装置，模拟和数字信号。
A modem is a device that converts between analog and digital signals.
模数转换装置为非电量转换，光导纤维对把该信息远距离传送给数字显示仪表，它能用数字量连续显示液位的变化。
Analog—to—digital converter is non—electrical transform. A pair of optical fibres can transmit signal to digital instrument to a great distance away.
本文向读者简要介绍如何将常见的4（1/2）位数字电压表作为A/D转换装置与显示器用于微机控制系统的方法。
The paper shows the trick of using the 41/2 Digit Panel Meter as an A/D converter and monitor in a microcomputer control system.
本文向读者简要介绍如何将常见的4（1/2）位数字电压表作为A/D转换装置与显示器用于微机控制系统的方法。
The paper shows the trick of using the 41/2 Digit Panel Meter as an A/D converter and monitor in a microcomputer control system.
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