testing hypothesis of linear relationship

例句：

1. 1. The scientists are testing the new drug on a small group of patients.
   科学家们正在对一小群患者进行新药物的测试。
2. 2. The engineers are examining the design for any potential issues.
   工程师们正在检查设计，以找出任何潜在的问题。
3. 3.The chemists are verifying the results of their experiments.
   化学家们正在验证他们的实验结果。