rain arc-over test

例句：

1. 1. This is the first time we've conducted a rain arc-over test in this region.
   这是我们首次在这个地区进行降雨弧顶测试。
2. 2. The scientists used this technique to improve their understanding of atmospheric circulation patterns.
   科学家们利用这种方法来提高他们对大气循环模式的理解。
3. 3.The rain arc-over test is crucial for monitoring the health of our planet's ecosystems.
   降雨弧顶测试对于监测我们星球生态系统的健康至关重要。