random PCRrPCRrandomadj.任意的；随机的；随意的n.随意；任意adv.随机地Random error coefficient随机误差系数Random Proportion Vector随机成分向量random sequential memory随机按序存储器,随机时序存储器Random permutation table随机置换表random orientation alloy无规取向合金Randomized control trial随机对照Random Access Techniques随机多址通信技术random coherence function随机相干函数random quadrature formula随机求积公式random integral equations随机积分方程