求翻译：图4和图5分别给出“昆山爆炸”事件和“福喜肉类”事件信息发布量的分布曲线，其中横轴代表时间（日期），纵轴代表热度值，实线为通过本文方法计算出的热度曲线（PUR-Method），带三角的曲线为百度指数上的热度曲线。是什么意思？

Figures 4 and 5 are given " Kunshan explosion" event and the distribution curve " Fuxi Meat " event information release amount , where the horizontal axis represents time ( date ) , the vertical axis represents the heat value , the solid line is calculated by this method

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Shown in Figure 4 and Figure 5 respectively, "Kunshan explosion" and "Fuk Hei meat" information publishing of event distribution curves, where the horizontal axis represents time (date), the vertical axis represents the heat value, the solid line as calculated by the method of the temperature curve

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