reduced scale prototype model test

例句：

1. 1.The engineer conducted a reduced-scale prototype model test on the new design.
   工程师对新设计进行了缩小比例的原型模型测试。
2. 2.This test is crucial for understanding the performance of the new machine.
   这个测试对于理解新机器的性能至关重要。
3. 3. The team used this test to refine their design before finalizing it.
   团队使用这个测试来完善他们的设计，以便最终确定。