短語詞組短語differentiator comparator 微分比較器differentiator selector 微分選擇器convolution differentiator 褶積微分算子RC differentiator 阻容差分電路Robust differentiator 魯棒微分器tracking differentiator 微分跟隨器;微分器;採用跟蹤微分器bioelectrical differentiator [生理]生物電微分儀digital differentiator 數(shù)字微分器differentiator separator 區(qū)分者 返回 differentiator