The graph - theoretical method is used to enumerate the numbers of substituted[14] annulene, [18] annulene and porphine. The numerical results are tabulated.是什么意思_The graph - theoretical method is used to enumerate the numbers of substituted[14] annulene, [18] annulene and porphine. The numerical results are tabulated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句