短語詞組短語angular overlap integral 角重疊積分charg density overlap integral 電荷密度重疊積分molecular orbital overlap integral 分子軌道交迭積分group overlap integral 群重迭積分overlap integral method 疊加積分方法Frank -Condon overlap integral 弗蘭克charge -density overlap integral 電荷密度重疊積分 返回 overlap integral