发现特征集中存在大量高度重叠特征和高度偏差特征。

Found a large number of high-degree overlapped bigrams and high-degree biased bigrams existing in bigram feature set.

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然后，我们将调用流中其他地方使用的功能和特征集中在一起。

Then, we clustered functions and features used elsewhere in the call flow.

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受灾过程特征集中表现为季风边缘区受灾环境对各种自然致灾因子的放大作用；

The hazard bearing environment in this area can intensify the influence of the hazards greatly, which is the main feature of the hazard bearing process here.

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