By calculating the grey associative degree, the different disastrous conditions of natural disaster are compared and analyzed.
用计算自然灾害不同灾情的灰色关联度的方法，来对不同灾情进行比较分析。
By calculating the grey associative degree, the different disastrous conditions of natural disaster are compared and analyzed.
用计算自然灾害不同灾情的灰色关联度的方法，来对不同灾情进行比较分析。
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