A.輕度顛簸,中度顛簸,重度顛簸 B.微弱顛簸,劇烈顛簸 C.危害性顛簸,災難性顛簸 D.弱顛簸,中顛簸,強顛簸,極強顛簸
A.500hPa和300hPa B.550hPa和900hPa C.500hPa和900hPa
A.霾 B.霧 C.煙幕