discrete DCT离散DCT变换discreteadj.不连续的；分离的discrete energy eignvalue分立能量本征值discrete perpetuity model间断永续性模型discrete fracture network离散型裂缝网络discrete dynamical system离散动力系统discrete-element method分立元方法, 离散元素法discrete event simulation离散事件模拟discrete-transformation离散变换法discrete-time parameter离散时间参数Discrete Wavelet Tansform离散小波变换discrete pulse modulation离散脉冲调制