photoelectric analytical balance

例句：

1. 1.The photoelectric analytical balance is used tomeasure the weight of samples.
   光电分析天平用于测量样品的重量。
2. 2. Theaccuracy of the photoelectricanalytical balance is crucial for theexperiment.
   光电分析天平的精度对于实验至关重要。
3. 3. The photoelectric analytical balancewas developed to improve the accuracy of weighing.
   光电分析天平的开发是为了提高称重的准确性。