This was treated as a problem of variable selection, and a fast algorithm for identifying the qualitativecomposition of the sample has been proposed.
本文将这一问题作为一最优回归子集的确定问题处理，提出了一种较快速鉴定组成的方法。
2
The quantitative analyses of component concentration and the qualitative analyses of gas composition can be carried out.
可同时进行混合气体组分浓度的定量分析和组分种类的定性分析。
3
The theories of the product composition, life cycle and Bostons matrix are followed. Theory study and investigate study are adopted and quantitative analysis is combined with qualitative analysis.