sample test

例句：

1. 1. The company conducted a sample test of its new product before releasing it to the market.
   该公司在推向市场之前，对新产品进行了一次样本测试。
2. 2.This is just a sample test of the software's performance.
   这只是软件性能的样本测试。
3. 3.Before making any final decisions, we need to conduct a sample test on the new process.
   在做出任何最终决定之前，我们需要对新工艺进行样本测试。