sudden-change relay

例句：

1. 1. Thesudden change in weather caused the power outage.
   天气的突然变化导致了停电。
2. 2. The sudden change in temperature can affect the performance of the equipment.
   温度的突然变化会影响设备的性能。
3. 3. The sudden change in the weather pattern is causing havoc on the agricultural industry.
   天气模式的突然变化正在给农业行业带来混乱。