ultraviolet test

例句：

1. 1. This is a crucial step in the ultraviolet test process.
   这是紫外线测试过程中至关重要的一步。
2. 2. The scientist conducted an ultraviolet test on the samples to determine their quality.
   科学家对样品进行了紫外线测试，以确定其质量。
3. 3. The company insists on conducting an ultraviolet test before shipping any product.
   该公司坚持在发货任何产品之前进行紫外线测试。