The algorithm imports title weight coefficient to improve the term weighting in conjuction with a new classification algorithm.
引入标题权重系数改进词语权重，并提出了一种新的分类算法。
2
In statistics classification, analysis of variance were applied to analyze the coefficient of variation of area of pores.
在统计分类法中，采用方差分析法分析管孔的面积变异系数。
3
The definition and classification of material's thermal expansion coefficient are introduced briefly. The thermal deformation calculation method and error of parts often used in practice are analyzed.