The resulting pattern of the isobars reveals the change in pressure over distance, which is normally called _______ .
A.pressure pattern
B.pressure gradient
C.pressure lapse rate
D.pressure systems
正确答案是B
The resulting pattern of the isobars reveals the change in pressure over distance, which is normally called _______ .
A.pressure pattern
B.pressure gradient
C.pressure lapse rate
D.pressure systems
正确答案是B