在实践中，本系统通过模拟接收A旧信息数据，并判断是否存在碰撞危险；
In the practices, AACS can judge the existence of risk of collision by receiving AIS simulated signals.
作为城市系统工程的评价方法，传统的层次分析法存在一些问题，如何检验和修正判断矩阵的一致性问题是AHP在实际应用中存在的主要问题。
As an evaluation method of city systems engineering, there are some problems in the AHP. The major problem in practical application is how to examine and correct the consistence of judgment matrix.
作为城市系统工程的评价方法，传统的层次分析法存在一些问题，如何检验和修正判断矩阵的一致性问题是AHP在实际应用中存在的主要问题。
As an evaluation method of city systems engineering, there are some problems in the AHP. The major problem in practical application is how to examine and correct the consistence of judgment matrix.
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