long-duration test

例句：

1. 1. The company conducted a long-duration test on the new product to ensure its reliability.
   该公司对新产品进行了长时间的测试，以确保其可靠性。
2. 2. The engineer performed a long-duration test on the machine before it was put into use.
   工程师在机器投入使用前对其进行了长时间的测试。
3. 3. The long-duration test revealed several issues with the software that needed to be addressed.
   长时间的测试揭示了软件中的几个问题，需要解决。