A.55kn B.60kn C.30kn D.45kn
A.35m/s B.28m/s C.26m/s D.16m/s
A.6小時前所觀測氣壓與觀測時氣壓之差 B.觀測時氣壓與6小時前所觀測氣壓之差 C.觀測時氣壓與3小時前所觀測氣壓之差 D.3小時前所觀測氣壓與觀測時氣壓之差