[Keywords]:computer application; Chinese information processing; text classification; feature selection; concept extraction; concept tree; shielded level; description power;
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Model completeness is an important characteristic by which the description power of data model is measured.
模型完备性是衡量数据模型描述能力的一种重要特性。
But that obvious observation conceals a precise mathematical description: the link between the severity and frequency of conflicts follows a smooth curve, known as a power law.
用一个很简单的数学式,可以表示为:存活率与冲突频率间呈现平实的曲线关系,这被认为是法的力量。
One can see a model of the power plant with the description of all the units.
可以看到电厂的模型,并配有各个单元的介绍。
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