短語詞組短語Newton divided -difference 除差法central divided difference 中心均差divided difference operator 均差運動multiple knot divided difference 重節(jié)點均差Divided difference expansions 差商展開divided difference coefficient 平均差變異系數(shù)Divided difference filter 差商濾波器divided difference particle filter 分離差分粒子濾波器 返回 divided difference