"`who visits frequently' is a relative clause in the sentence `John, who visits frequently, is ill'"
Relative VaR相对VaR
relativeadj.相对的;比较的;相关的n.亲戚;[语]关系词
relative analysis approach相对分析法
relative file organization相对文件编制
relative military strength兵力对比
relative impermeable layer相对不进水层
relative osculating circle相对密切圆
relative potassium content相对含钾量
relative refractory period相对乏奋期,相对不应期,相对不反应期
relative rise of sea level海面相对上升