smear correction

例句：

1. 1.The smear correction was applied to the surface of the glass to prevent it from scratching.
   在玻璃表面涂抹修正剂以防止刮花。
2. 2. During the experiment, we used a smear correction to make sure the results were accurate.
   实验期间，我们使用了涂抹修正来确保结果的准确性。
3. 3.The smear correction was applied evenly across the entire surface of the paper to ensure uniformity.
   涂抹修正剂均匀地涂在整个纸张表面上，以确保一致性。