The happening of debris flow is a complicated problem, and it is the outcome of polysynthesism coaction, this brought difficulty to analytical prediction of development trend of debris flow.
摘要泥石流的发生与否是一个极其复杂的,
且是由
种因素
用的结果,这也给泥石流活动发展趋势的分析预测带来了困难。