相对: 1.(面对面) opposite; face to face 短语和例子相对而坐 sit opposite [facing] each other; sit face to face2.(非绝对的) relative 短语和例子相对真理 relative truth3.(比较的) relatively; comparatively 短语和例子相对地说 comparative
相对密度: density ratiodensity, relativedepotition indexfelative densityrelation densityrelative de ityrelative densityrelative-density coefficientspecific density
