分析了信誉、信任、风险和支出等因素之间的关系，通过信誉评价，建立了信任过程和交易过程模型。
The relationships between reputation, credit, risk and expenditure are analyzed. We can establish the model of trust and reputation through reputation evaluation.
据最近的伊卡璐斯日报（Icarus）报道，这次通过两个数学模型来评价小行星在22世纪撞击地球的几率。
Recently published in the journal Icarus, this impact probability was calculated using two mathematical models to assess potential threats to Earth in the 22nd Century.
最后通过具体的应用实例验证了该评价模型的有效性与可行性。
Finally, an application example is given to validate the feasibility and effectiveness of the model.
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