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 inventory model随机型存储模型random road excitation随机路面激励random access protocol随机存取规程, 随机接入协议random noise injection随机噪声注入random access computer随机存取计算机random text generation[计] 随机正文生成random re-connection随机重连random TV interference随机电视干扰random current density杂乱电子密度random comparison test随机对照试验