Paschen's law

例句：

1. 1. This Paschen's law explains why the sun rises in the east and sets in the west.
   这个帕申定律解释了为什么太阳从东方升起，在西方落下。
2. 2.The Paschen's law states that light travels faster through a medium with lower refractive index.
   帕申定律指出光通过折射率较低的介质传播得更快。
3. 3. In this experiment, we applied Paschen's law to calculate the speed of light.
   在这个实验中，我们应用了帕申定律来计算光速。