短語詞組短語osculation element [數(shù)]密切元素osculation process [數(shù)]密切法fractal osculation 分形密切band osculation 帶狀密切osculation space [數(shù)]密切空間osculation circles 密切圓best osculation 最大接觸osculation point 密接點self osculation 自密切;自接觸 返回 osculation