relativeness亲戚关系relativeadj.相对的；比较的；相关的n.亲戚；[语]关系词relative competition竞争relative materiality[经] 相对重要性relative monocytosis相对单核细胞过多relative association类比联想relative sample size相对抽样规模relative observation相对观测量relative selectivity相对选择性relative group delay相对群延迟relative forest land相对林地relative independent相对独立性