It also introduces a method according to the actual situation to put a fixed resistance combination of potentiometer, and it improved the accuracy of circuit.
本文还介绍了一种根据实际情况把电位计和固定电阻结合的方法，提高了电位计在电路中的精度。
2
Sliding resistance was replaced by the fixed value resistance, and potentiometer was used to adjust volt, it could make measurement of diode reverse characteristic more convenient.