周知，卷积等价族在风险理论，排队系统，分支过程，无穷可分分布等领域有重要的应用，因而受到广泛的重视。
It is well known that the convolution equivalent distributions have wide and important applications in risk theory, queueing system, branching process and infinite devisibility and so on.
我们爱伲人，是哈尼族的一个分支。
这项今天刚公布的研究动摇了鸟类族谱的分支，证实了你不能仅凭其形貌特征来判别鸟类的族系。
Released today, the study has shaken up the branches of the avian family tree and proven that you can't judge a bird family by its feathers.
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