The concept of fuzzy rough setare raised in reference.In this paper, we study the positive-zone, negative-zone and boundary of fuzzy rough set, and the continuous problems of fuzzy rough setare also discussed.

• 在模糊粗糙集的基础上,详细的讨论了它的正域、负域以及边界的性质,并研究了它的一类连续性问题。