sampling by impaction

例句：

1. 1. The researcher used the impact sampling method to collect data from the field.
   研究员使用冲击取样方法从现场收集数据。
2. 2. The scientist conducted an impact sampling experiment to test the effectiveness of her new drug.
   科学家进行了一次冲击取样实验，以测试她新药的有效性。
3. 3. The company uses impact sampling techniques to ensure product quality and consistency.
   该公司采用冲击取样技术以确保产品的质量一致性。