differential stain

例句：

1. 1. The differential staining method is used to identify the differences in DNA sequences between different cells.
   差分染色法用于识别不同细胞之间DNA序列的差异。
2. 2.The differential staining technique can be used to visualize the distribution of proteins within a cell.
   差分染色技术可以用来可视化细胞内蛋白质的分布。
3. 3. In this study, we used the differential staining technique to analyze the effects of different environmental factors on plant growth.
   在这项研究中，我们使用了差分染色技术来分析不同环境因素对植物生长的影响。