randomadj.任意的；随机的；随意的n.随意；任意adv.随机地random law随机律random PCRrPCRrandomwalkn.随机游动(无规行走)random key随机密钥random fee乱收费random cut随意切方式randomnessn.随机性Random Ida伊达·兰登random mix随机数混淆random NPV随机NPV