1977年10月下旬,塞罕坝机械林场发生了一次严重的雨淞灾害。雨淞是一种罕见的天气现象,而发生在林区又造成严重损失的雨淞更为罕见。因此,在掌握大量实例资料的基础上,进行综合分析研究,对于进一步了解雨淞的形成原因,以及如何尽可能减轻其危害,无疑具有重要的意义 In late October 1977, a serious rainstorm disaster occurred at Saihanba Machinery Forest Farm. Raining is a rare weather phenomenon, but rainy song that causes serious losses in the forest area is even rarer. Therefore, on the basis of a large amount of examples and data, a comprehensive analysis and study will undoubtedly be of great significance for further understanding of the reasons for the formation of the rain song and how to minimize its harm