The charcateristics of microburst were described,and the Doppler velocity field structure of a wet type microburst occurring on July 22,1997 in Beijing area has been researched.

• 文中概述了微下击暴流的特征 ,研究了 1 997年 7月 2 2日发生在北京地区的一个湿型微下击暴流的多普勒速度场结构 ;