atomic radial distribution function英 [əˈtɒmɪk ˈreɪdiəl ˌdɪstrɪˈbjuːʃn ˈfʌŋkʃn]美 [əˈtɑːmɪk ˈreɪdiəl ˌdɪstrɪˈbjuːʃn ˈfʌŋkʃn]原子径向分布函数化学