vertical temperature

例句：

1. 1.The mountainous region has a vertical temperature gradient.
   山区有垂直温度梯度。
2. 2.The temperature in the valley is much lower than that in the mountains.
   山谷的温度比山里低得多。
3. 3. The temperature changes with altitude, which is why it's important to measure vertical temperature.
   温度随海拔变化，这就是为什么测量垂直温度很重要。