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本文从实验和理论两方面分析了用电的方法测量声级计的性能时耦合电容的影响，并根据实验结果得出，完全可以用生产厂提供的配接器进行有关的测量．
This paper analyzes the influence of the coupling capacitance when measuring the performance of the sound level meter from the experimental and theoretical aspects. Based on the experimental results, it is completely possible to make the relevant measurements with the adapter provided by the manufacturer.