Therefore it is most important to increase the throwing height of the anticraft gun shells and to locate the AgI aerosols into the upwind regions of the clouds in sense of precipitation enhancement or hail suppression.

• 计算表明:碘化银粒子在云中降水区被降水冲刷损耗显著,因而提高了37高炮射高,保证它能被云中上升气流挟带到-4℃层以上云中核化,是当前国内高炮人工增雨、防雹引晶催化能否取得成效的关键。