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1·The measuring principle and method of higher resistance with the sensitive galvanometer are introduced.

介绍用灵敏电流计测量高电阻的原理和方法；

2·This paper presents a method for reducing detecting error of the internal resistance of sensitive galvanometer by analyzing its errors.

本文通过对测量灵敏电流计内阻实验误差的分析，给出一种有效的减小内阻测量误差的方法。

3·This paper advances the new method measuring the internal resistance of sensitive galvanometer, namely, leading the damping appearance diagraph method.

文章提出了一种测量灵敏检流计内阻的新方法，即“过阻尼状态测量法”。

4·Sensitive Galvanometer, Model J0409, is suitable for the laboratories of middle schools and polytechnic schools to measure small electric current and electric potential difference.

J0409型灵敏电流计适用于中学、中专等实验室测量直流电路中微小电流和微小电势差。