根据灰色系统理论，为城市灾害行为提供科学可靠分析，进行灾害预测，是有效的城市防灾及减灾对策的科学依据。

This system bases on the theory of Grey system. It can provide reliable and scientific analysis for urban disaster, and it also can provide disaster prediction.

youdao

根据灰色系统理论，为城市灾害行为提供科学可靠分析，进行灾害预测，是有效的城市防灾及减灾对策的科学依据。

This system bases on the theory of Grey system. It can provide reliable and scientific analysis for urban disaster, and it also can provide disaster prediction.

youdao