單項(xiàng)選擇題若冷空氣過境,全天空出現(xiàn)了滿天的層狀云(Sc op),當(dāng)?shù)販y站的相對濕度為70%,請根據(jù)層狀云高公式,估算當(dāng)?shù)卦聘叽蠹s為()
A.800m
B.1200m
C.900m
D.1000m
A.800m
B.1200m
C.900m
D.1000m