long periodic perturbation

例句：

1. 1. Thelong-term periodic disturbance in the weather patterns has been causing significant changes in agriculture.
   长期周期性的天气模式变化对农业产生了重大影响。
2. 2. The long-term periodic disturbance in the oceanic currents is affecting the global climate system.
   海洋流的长期周期性扰动正在影响全球气候系统。
3. 3.The long-term periodic disturbance in the ecosystem is causing a decline in biodiversity.
   生态系统中的长期周期性扰动正在导致生物多样性的下降。