相关题目
The resulting pattern of the isobars reveals the change in pressure over distance, which is normally called （ ） ．
The feature associated with the tropopause is （ ） ．
The lines of equal wind velocity are called （ ） ．
The lines that connect points of equal temperature are called （ ） ．
When an aircraft is flying （ ）, we call it super low-altitude flying.
Uneven heating modifies air density and creates circulation patterns, resulting in changes in pressure. This is one of the main reasons for differences in （ ） between weather reporting stations.
A characteristic of the stratosphere is （ ） ．
The primary cause of all changes in the Earth’s weather is （ ） ．
The airway width in China is usually （ ） km, and due to some constraints can be reduced to, but not less than （ ） km.
The atmospheric circulation occurs through a process known as （ ）, which is defined as the circular motion that results when warm air rises and is replaced by cooler air.
