英语语法分析

The experimental results show that there exists a strong photovoltage signal at long wavelength bands.

实验结果表明，在长波段有强的光电压信号。

In this paper a method of measuring differential surface photovoltage spectrum with liquid probe has been reported.

本文报导了一种液体探针表面光电压微分谱测量方法。

The surface photovoltage of the products were studied by surface photovoltage spectra(SPS)in different electric fields.

报道了所建立的半导体光电压谱自动测量系统的结构、联机方法和工作原理。