摘要本文定义了物元空间和物元距离的概念,给出了事物的分类方法.The concepts of matter-element space and matter-element distance are defined,the classification of matters is given as well.
2Wen Cai. Extension management engineering and applications [J ]. International Journal of Operations and Quantitative Management,1999,5(1) :59-72.
3Cai Wen. The Extension set and non-compatible problem [A]. In: Chien Weizang, Advances mathematics and machanics in china[G]. Vol. 2,International Academic Publishers, 1990. 1-21.
4Chen Julong, Cong Lin, Sun Bo. Critical element and paradox[J]. Proceedings of ICIK. 95,DMU House. 1995.1173-1174.