troposphere scatter communication

例句：

1. 1. The troposphere is where the air temperature varies with altitude.
   对流层是空气温度随海拔变化的地方。
2. 2. The troposphere is also where weather patterns form.
   对流层也是天气模式形成的地方。
3. 3. The troposphere is where most human activities take place.
   对流层是人类活动最频繁的地方。