In this case, the optimizer USES a generic rule or a default value to estimate an average cost by assuming normal data distribution.

在这种情况下，优化器会使用一个通用规则或者默认值以正常数据分布率来评估得到一个平均开销值。

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That is a generic download page and there may be easy to install packages available for your specific distribution or OS. See the end of this article.

这是一个通用的下载页面，对于你的特定的发行版本或操作系统，可能还有容易安装的包可用，请看本文的结尾。

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A common property of many large networks is that the vertex degrees follow a scale-free power-law distribution, the BA model features two generic mechanisms: the networks expanding and the pref.

实际网络中节点分布的一个广泛特征是度的无标度幂率分布，BA模型认为形成这种特征的两个主要因素是网络增长和节点间的偏好连接。

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They say that they will use their combined expertise and strength to streamline distribution and squeeze discounts from generic drugmakers.

ECONOMIST: Two huge pharmacy chains become even bigger