A fuzzy comprehensive evaluation model of emergency materials is established and hierarchical clustering method is used to identify different types of emergency materials reserve pattern finally.

通过建立应急物资模糊综合评价模型，结合层次聚类方法对数据分析，确定不同种类应急物资的储备模式。

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With the application of RS and GIS techniques, the variation of landscapes pattern and the gradient distribution of wetland in Xianghai Nature Reserve in different ages were analyzed.

应用遥感和地理信息系统技术，对向海自然保护区不同年代景观格局特征，及其重要湿地景观梯度分布特征进行深入的分析。

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Distribution difference of the birds in the reserve occurred not only on level pattern but also on an altitudinal gradient.

保护区鸟类的分布，不仅在水平格局上存在一定的地域差异，而且在海拔梯度上也有明显的差异。

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In early February, Federal Reserve Governor Jeremy Stein said "we are seeing a fairly significant pattern of reaching-for-yield behavior, " or investors buying riskier debt with higher yields.

WSJ: Stocks Testing Records��But There's Still Room to Run