And GPM can do that because we are able to measure layer-by-layer within the storm and provide drop size distributions, not only of the rain particles, but also the snowflakes within that storm.

GPM 可以做到这一点，因为我们能够在风暴中逐层测量并提供雨滴大小的分布，不仅是雨粒子的分布，还包括风暴中雪花的分布。