natural climate test

例句：

1. 1. The company conducted a natural climate test to evaluate the effectiveness of their new product.
   该公司进行了一次自然气候测试，以评估其新产品的有效性。
2. 2. The scientist performed a natural climate test to determine the impact of pollution on the ecosystem.
   科学家进行了一次自然气候测试，以确定污染对生态系统的影响。
3. 3. During the testing phase, the engineers conducted a natural climate test to ensure the equipment was functioning correctly.
   在测试阶段，工程师们进行了一次自然气候测试，以确保设备正常工作。