discrete map离散映射discreteadj.不连续的；分离的discrete amplitude level离散振幅电平Discrete - time system离散系统discrete dynamic systems离散动态系统discrete point curvature离散点曲率discrete system modeling离散系统建模技术Discrete Choice Analysis离散选择分析Discrete scatterer model离散散射模型discrete filled function离散填充函数discrete Muskingum model离散Muskingum模型Discrete optimal control离散最优控制