discrete map离散映射discreteadj.不连续的；分离的discrete transfer method离散传递法discrete dynamics models离散动力学模型discrete ordinate method分立纵标法discrete random variable离散随机变量discretely-normed ring离散赋范环Discrete singular system离散奇异系统discrete K-L transform离散K-L变换Discrete Random Partition离散随机分割discrete partial ordering格序化discrete-time algorithm离散时间算法