random set随机集randomadj.任意的；随机的；随意的n.随意；任意adv.随机地Random discontinuities随机不连续面random surface profile随机表面形状random peculiar motion随机本动randomized replication随机重复random draw out course随机抽课random reflecting gain随机反射增益Random geometric graph随机几何图randomized arrangement随机排列random-noise voltage随机噪声电压random pairs technique随机成对技术,随机选对技术