【摘要】 给出了一元及多元覆盖系CS (CoveringSystems)的概念及性质 ,定义了k模n元CS阵 ,并证明了子块定理。更多还原

【Abstract】 The concept and properties of the unary and multi element CS(covering systems)is given out.The CS matrix of n element of R modal is defined and the sub modular theorem is also proven.更多还原