Noun:

1. a clause introduced by a relative pronoun;

   "`who visits frequently' is a relative clause in the sentence `John, who visits frequently, is ill'"
   

Relative VaR相对VaRrelativeadj.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relative vertebral density相对椎骨密度relative germination index相对发芽指数