polar flattening

例句：

1. 1. Thepolar flattening of the Earth's atmosphere has a significant impact on global climate patterns.
   地球大气层的极地平展对全球气候模式产生了重大影响。
2. 2.This phenomenon is thought to be caused by changes in the Earth's magnetic field, leading to a reduction in atmospheric pressure at the poles.
   这种现象被认为是由于地球磁场的变化导致的，这导致了极地大气压力的减少。
3. 3. Polar flattening can also affect the distribution of ice and snow, as it cancause areas with lower temperatures to become more stable and less prone to melting.
   极地平展还可能影响冰和雪的分布，因为它可能导致温度较低地区变得更加稳定，不易融化。