photo-electric analysis

例句：

1. 1. The photo-electric analysis ofthe sample is crucial for the determination ofits composition.
   样品的光电分析对于确定其组成至关重要。
2. 2. The photo-electric analysis resultsshowed that the concentration of the pollutant was significantly higher than the standard value.
   光电分析结果显示，污染物浓度明显高于标准值。
3. 3.In the photo-electric analysis, theintensity of the signal changes with the variationof the light intensity.
   在光电分析中，信号强度随光强的变化而变化。