The importance of navigation safety was described and the shortcomings of traditional predicting methods were discussed.
指出了预测对航行安全性的重要意义，传统的预测方法存在的缺陷。
The importance of road traffic accident prediction is described and the shortcomings of traditional predicting methods are discussed.
指出了预测对道路交通安全性的重要意义以及传统预测方法存在的缺陷；
It is proved by prediction of test sample that predicting precision is prior to traditional predicting methods such as critical value method and so on.
通过对检验样本的预测表明，预测精度要优于临界指标法等传统预测方法。
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