As a result, the costclassification should not only satisfy the needs of theory research, but also meets the needs of enterprises to carry out different strategic management.
因而，成本的分类既要满足理论研究的需要，同时也应满足企业实施不同战略管理的需要。
2
How to define training sample size and therefore select classifiers is a problem to solve in actual classification considering the cost of acquisition of samples.
考虑到样本获取的代价性，如何根据训练样本的大小来选择有效分类器是实际分类中需要解决的问题。
3
The foundation, steps and notes for establishing classification management responsibility system of cost expense index are introduced.