test on coupled operation

例句：

1. 1.The engineers tested the new device on a small scale before releasing it to the public.
   工程师们在小规模上测试了新设备，然后才将其推向公众。
2. 2.Before launching the new product, the company conducted extensive testing on coupled operation.
   在推出新产品之前，该公司对耦合操作进行了广泛的测试。
3. 3.The team was tasked with testing the software's coupled operation under various conditions.
   团队被指派负责在不同的条件下测试软件的耦合操作。